Initial commit

application/Espo/Core/Formula/Argument.php

@@ -0,0 +1,107 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula;
+
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\Core\Formula\Parser\Ast\Attribute;
+use Espo\Core\Formula\Parser\Ast\Node;
+use Espo\Core\Formula\Parser\Ast\Value;
+use Espo\Core\Formula\Parser\Ast\Variable;
+
+/**
+ * A function argument.
+ */
+class Argument implements Evaluatable
+{
+    public function __construct(private mixed $data)
+    {}
+
+    /**
+     * Get an argument type (function name).
+     *
+     * @throws Error
+     */
+    public function getType(): string
+    {
+        if ($this->data instanceof Node) {
+            return $this->data->getType();
+        }
+
+        if ($this->data instanceof Value) {
+            return 'value';
+        }
+
+        if ($this->data instanceof Variable) {
+            return 'variable';
+        }
+
+        if ($this->data instanceof Attribute) {
+            return 'attribute';
+        }
+
+        throw new Error("Can't get type from scalar.");
+    }
+
+    /**
+     * Get a nested argument list.
+     *
+     * @throws Error
+     */
+    public function getArgumentList(): ArgumentList
+    {
+        if ($this->data instanceof Node) {
+            return new ArgumentList($this->data->getChildNodes());
+        }
+
+        if ($this->data instanceof Value) {
+            return new ArgumentList([$this->data->getValue()]);
+        }
+
+        if ($this->data instanceof Variable) {
+            $value = new Value($this->data->getName());
+
+            return new ArgumentList([$value]);
+        }
+
+        if ($this->data instanceof Attribute) {
+            return new ArgumentList([$this->data->getName()]);
+        }
+
+        throw new Error("Can't get argument list from a non-node item.");
+    }
+
+    /**
+     * Get data.
+     */
+    public function getData(): mixed
+    {
+        return $this->data;
+    }
+}

application/Espo/Core/Formula/ArgumentList.php

@@ -0,0 +1,184 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula;
+
+use BadMethodCallException;
+use OutOfBoundsException;
+use Iterator;
+use Countable;
+use ArrayAccess;
+use SeekableIterator;
+
+/**
+ * A list of function arguments.
+ *
+ * @implements ArrayAccess<int, Argument>
+ * @implements Iterator<Argument>
+ * @implements SeekableIterator<int, Argument>
+ */
+class ArgumentList implements Evaluatable, Iterator, Countable, ArrayAccess, SeekableIterator
+{
+    private int $position = 0;
+
+    /**
+     * @param array<int, mixed> $dataList
+     */
+    public function __construct(private array $dataList)
+    {}
+
+    private function getLastValidKey(): int
+    {
+        $keys = array_keys($this->dataList);
+
+        $i = end($keys);
+
+        if ($i === false) {
+            return -1;
+        }
+
+        while ($i > 0) {
+            if (array_key_exists($i, $this->dataList)) {
+                break;
+            }
+
+            $i--;
+        }
+
+        return $i;
+    }
+
+    public function rewind(): void
+    {
+        $this->position = 0;
+
+        while (!$this->valid() && $this->position <= $this->getLastValidKey()) {
+            $this->position ++;
+        }
+    }
+
+    private function getArgumentByIndex(int $index): Argument
+    {
+        return new Argument($this->dataList[$index]);
+    }
+
+    /**
+     * @return mixed
+     */
+    #[\ReturnTypeWillChange]
+    public function current()
+    {
+        return $this->getArgumentByIndex($this->position);
+    }
+
+    /**
+     * @return mixed
+     */
+    #[\ReturnTypeWillChange]
+    public function key()
+    {
+        return $this->position;
+    }
+
+    public function next(): void
+    {
+        do {
+            $this->position ++;
+            $next = false;
+
+            if (
+                !$this->valid() &&
+                $this->position <= $this->getLastValidKey()
+            ) {
+                $next = true;
+            }
+        } while ($next);
+    }
+
+    public function valid(): bool
+    {
+        return array_key_exists($this->position, $this->dataList);
+    }
+
+    /**
+     * @param mixed $offset
+     */
+    public function offsetExists($offset): bool
+    {
+        return array_key_exists($offset, $this->dataList);
+    }
+
+    /**
+     * @param mixed $offset
+     * @return mixed
+     */
+    #[\ReturnTypeWillChange]
+    public function offsetGet($offset)
+    {
+        if (!$this->offsetExists($offset)) {
+            return null;
+        }
+
+        return $this->getArgumentByIndex($offset);
+    }
+
+    /**
+     * @param mixed $offset
+     * @param mixed $value
+     */
+    public function offsetSet($offset, $value): void
+    {
+        throw new BadMethodCallException('Setting is not allowed.');
+    }
+
+    /**
+     * @param mixed $offset
+     */
+    public function offsetUnset($offset): void
+    {
+        throw new BadMethodCallException('Unsetting is not allowed.');
+    }
+
+    public function count(): int
+    {
+        return count($this->dataList);
+    }
+
+    /**
+     * @param int $offset
+     */
+    public function seek($offset): void
+    {
+        $this->position = $offset;
+
+        if (!$this->valid()) {
+            throw new OutOfBoundsException("Invalid seek offset ($offset).");
+        }
+    }
+}

application/Espo/Core/Formula/AttributeFetcher.php

@@ -0,0 +1,187 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula;
+
+use Espo\Core\FieldProcessing\SpecificFieldLoader;
+use Espo\Core\ORM\Defs\AttributeParam;
+use Espo\Core\Utils\FieldUtil;
+use Espo\Entities\EmailAddress;
+use Espo\Entities\PhoneNumber;
+use Espo\ORM\Defs\Params\AttributeParam as OrmAttributeParam;
+use Espo\ORM\Entity;
+use Espo\Core\ORM\Entity as CoreEntity;
+use Espo\ORM\EntityManager;
+use Espo\Repositories\EmailAddress as EmailAddressRepository;
+use Espo\Repositories\PhoneNumber as PhoneNumberRepository;
+
+/**
+ * Fetches attributes from an entity.
+ */
+class AttributeFetcher
+{
+    /** @var array<string, mixed> */
+    private $relatedEntitiesCacheMap = [];
+
+    public function __construct(
+        private EntityManager $entityManager,
+        private FieldUtil $fieldUtil,
+        private SpecificFieldLoader $specificFieldLoader,
+    ) {}
+
+    public function fetch(Entity $entity, string $attribute, bool $getFetchedAttribute = false): mixed
+    {
+        if (str_contains($attribute, '.')) {
+            $arr = explode('.', $attribute);
+
+            $relationName = $arr[0];
+
+            $key = $this->buildKey($entity, $relationName);
+
+            if (
+                !array_key_exists($key, $this->relatedEntitiesCacheMap) &&
+                $entity->hasRelation($relationName) &&
+                !in_array(
+                    $entity->getRelationType($relationName),
+                    [Entity::MANY_MANY, Entity::HAS_MANY, Entity::HAS_CHILDREN]
+                )
+            ) {
+                $this->relatedEntitiesCacheMap[$key] = $this->entityManager
+                    ->getRDBRepository($entity->getEntityType())
+                    ->getRelation($entity, $relationName)
+                    ->findOne();
+            }
+
+            $relatedEntity = $this->relatedEntitiesCacheMap[$key] ?? null;
+
+            if (
+                $relatedEntity instanceof Entity &&
+                count($arr) > 1
+            ) {
+                return $this->fetch($relatedEntity, $arr[1]);
+            }
+
+            return null;
+        }
+
+        if ($getFetchedAttribute) {
+            return $entity->getFetched($attribute);
+        }
+
+        if (
+            $entity instanceof CoreEntity &&
+            !$entity->has($attribute)
+        ) {
+            $this->load($entity, $attribute);
+        }
+
+        return $entity->get($attribute);
+    }
+
+    private function load(CoreEntity $entity, string $attribute): void
+    {
+        if ($entity->getAttributeParam($attribute, 'isParentName')) {
+            /** @var ?string $relationName */
+            $relationName = $entity->getAttributeParam($attribute, OrmAttributeParam::RELATION);
+
+            if ($relationName) {
+                $entity->loadParentNameField($relationName);
+            }
+
+            return;
+        }
+
+        if ($entity->getAttributeParam($attribute, AttributeParam::IS_LINK_MULTIPLE_ID_LIST)) {
+            /** @var ?string $relationName */
+            $relationName = $entity->getAttributeParam($attribute, OrmAttributeParam::RELATION);
+
+            if ($relationName) {
+                $entity->loadLinkMultipleField($relationName);
+            }
+
+            return;
+        }
+
+        if ($entity->getAttributeParam($attribute, 'isEmailAddressData')) {
+            /** @var ?string $fieldName */
+            $fieldName = $entity->getAttributeParam($attribute, 'field');
+
+            if (!$fieldName) {
+                return;
+            }
+
+            /** @var EmailAddressRepository $emailAddressRepository */
+            $emailAddressRepository = $this->entityManager->getRepository(EmailAddress::ENTITY_TYPE);
+
+            $data = $emailAddressRepository->getEmailAddressData($entity);
+
+            $entity->set($attribute, $data);
+            $entity->setFetched($attribute, $data);
+
+            return;
+        }
+
+        if ($entity->getAttributeParam($attribute, 'isPhoneNumberData')) {
+            /** @var ?string $fieldName */
+            $fieldName = $entity->getAttributeParam($attribute, 'field');
+
+            if (!$fieldName) {
+                return;
+            }
+
+            /** @var PhoneNumberRepository $phoneNumberRepository */
+            $phoneNumberRepository = $this->entityManager->getRepository(PhoneNumber::ENTITY_TYPE);
+
+            $data = $phoneNumberRepository->getPhoneNumberData($entity);
+
+            $entity->set($attribute, $data);
+            $entity->setFetched($attribute, $data);
+
+            return;
+        }
+
+        $field = $this->fieldUtil->getFieldOfAttribute($entity->getEntityType(), $attribute);
+
+        if (!$field) {
+            return;
+        }
+
+        $this->specificFieldLoader->process($entity, $field);
+    }
+
+    public function resetRuntimeCache(): void
+    {
+        $this->relatedEntitiesCacheMap = [];
+    }
+
+    private function buildKey(Entity $entity, string $link): string
+    {
+        return spl_object_hash($entity) . '-' . $link;
+    }
+}

application/Espo/Core/Formula/Evaluatable.php

@@ -0,0 +1,37 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula;
+
+/**
+ * A data that can be evaluated.
+ */
+interface Evaluatable
+{
+}

application/Espo/Core/Formula/EvaluatedArgumentList.php

@@ -0,0 +1,184 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula;
+
+use BadMethodCallException;
+use OutOfBoundsException;
+use Iterator;
+use Countable;
+use ArrayAccess;
+use SeekableIterator;
+
+/**
+ * A list of evaluated function arguments.
+ *
+ * @implements ArrayAccess<int, mixed>
+ * @implements Iterator<mixed>
+ * @implements SeekableIterator<int, mixed>
+ */
+class EvaluatedArgumentList implements Iterator, Countable, ArrayAccess, SeekableIterator
+{
+    private int $position = 0;
+
+    /**
+     * @param array<int, mixed> $dataList
+     */
+    public function __construct(private array $dataList)
+    {}
+
+    private function getLastValidKey(): int
+    {
+        $keys = array_keys($this->dataList);
+
+        $i = end($keys);
+
+        if ($i === false) {
+            return -1;
+        }
+
+        while ($i > 0) {
+            if (array_key_exists($i, $this->dataList)) {
+                break;
+            }
+
+            $i--;
+        }
+
+        return $i;
+    }
+
+    public function rewind(): void
+    {
+        $this->position = 0;
+
+        while (!$this->valid() && $this->position <= $this->getLastValidKey()) {
+            $this->position ++;
+        }
+    }
+
+    private function getArgumentByIndex(int $index): mixed
+    {
+        return $this->dataList[$index];
+    }
+
+    /**
+     * @return mixed
+     */
+    #[\ReturnTypeWillChange]
+    public function current()
+    {
+        return $this->getArgumentByIndex($this->position);
+    }
+
+    /**
+     * @return mixed
+     */
+    #[\ReturnTypeWillChange]
+    public function key()
+    {
+        return $this->position;
+    }
+
+    public function next(): void
+    {
+        do {
+            $this->position ++;
+            $next = false;
+
+            if (
+                !$this->valid() &&
+                $this->position <= $this->getLastValidKey()
+            ) {
+                $next = true;
+            }
+        } while ($next);
+    }
+
+    public function valid(): bool
+    {
+        return array_key_exists($this->position, $this->dataList);
+    }
+
+    /**
+     * @param mixed $offset
+     */
+    public function offsetExists($offset): bool
+    {
+        return array_key_exists($offset, $this->dataList);
+    }
+
+    /**
+     * @param mixed $offset
+     * @return mixed
+     */
+    #[\ReturnTypeWillChange]
+    public function offsetGet($offset)
+    {
+        if (!$this->offsetExists($offset)) {
+            return null;
+        }
+
+        return $this->getArgumentByIndex($offset);
+    }
+
+    /**
+     * @param mixed $offset
+     * @param mixed $value
+     */
+    public function offsetSet($offset, $value): void
+    {
+        throw new BadMethodCallException('Setting is not allowed.');
+    }
+
+    /**
+     * @param mixed $offset
+     */
+    public function offsetUnset($offset): void
+    {
+        throw new BadMethodCallException('Unsetting is not allowed.');
+    }
+
+    public function count(): int
+    {
+        return count($this->dataList);
+    }
+
+    /**
+     * @param int $offset
+     */
+    public function seek($offset): void
+    {
+        $this->position = $offset;
+
+        if (!$this->valid()) {
+            throw new OutOfBoundsException("Invalid seek offset ($offset).");
+        }
+    }
+}

application/Espo/Core/Formula/Evaluator.php

@@ -0,0 +1,163 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula;
+
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\Core\Formula\Exceptions\ExecutionException;
+use Espo\Core\Formula\Exceptions\SyntaxError;
+use Espo\Core\Formula\Exceptions\UnsafeFunction;
+use Espo\Core\Formula\Functions\Base as DeprecatedBaseFunction;
+use Espo\Core\Formula\Functions\BaseFunction;
+use Espo\Core\Formula\Parser\Ast\Attribute;
+use Espo\Core\Formula\Parser\Ast\Node;
+use Espo\Core\Formula\Parser\Ast\Value;
+use Espo\Core\Formula\Parser\Ast\Variable;
+use Espo\ORM\Entity;
+use Espo\Core\InjectableFactory;
+
+use LogicException;
+use stdClass;
+
+/**
+ * Creates an instance of Processor and executes a script.
+ *
+ * @internal
+ */
+class Evaluator
+{
+    private Parser $parser;
+    private AttributeFetcher $attributeFetcher;
+    /** @var array<string, (Node|Value|Attribute|Variable)> */
+    private $parsedHash;
+
+    /**
+     * @param array<string, class-string<BaseFunction|Func|DeprecatedBaseFunction>> $functionClassNameMap
+     * @param string[] $unsafeFunctionList
+     */
+    public function __construct(
+        private InjectableFactory $injectableFactory,
+        private array $functionClassNameMap = [],
+        private array $unsafeFunctionList = []
+    ) {
+        $this->attributeFetcher = $injectableFactory->create(AttributeFetcher::class);
+        $this->parser = new Parser();
+        $this->parsedHash = [];
+    }
+
+    /**
+     * Process expression.
+     *
+     * @throws SyntaxError
+     * @throws Error
+     */
+    public function process(string $expression, ?Entity $entity = null, ?stdClass $variables = null): mixed
+    {
+        return $this->processInternal($expression, $entity, $variables, false);
+    }
+
+    /**
+     * Process expression in safe mode.
+     *
+     * @throws SyntaxError
+     * @throws Error
+     */
+    public function processSafe(string $expression, ?Entity $entity = null, ?stdClass $variables = null): mixed
+    {
+        return $this->processInternal($expression, $entity, $variables, true);
+    }
+
+    /**
+     * @throws SyntaxError
+     * @throws Error
+     */
+    private function processInternal(
+        string $expression,
+        ?Entity $entity,
+        ?stdClass $variables,
+        bool $safeMode,
+    ): mixed {
+
+        $processor = new Processor(
+            $this->injectableFactory,
+            $this->attributeFetcher,
+            $this->functionClassNameMap,
+            $entity,
+            $variables
+        );
+
+        $item = $this->getParsedExpression($expression);
+
+        if ($safeMode) {
+            $this->checkIsSafe($item->getData());
+        }
+
+        try {
+            $result = $processor->process($item);
+        } catch (ExecutionException $e) {
+            throw new LogicException('Unexpected ExecutionException.', 0, $e);
+        }
+
+        $this->attributeFetcher->resetRuntimeCache();
+
+        return $result;
+    }
+
+    /**
+     * @throws SyntaxError
+     */
+    private function getParsedExpression(string $expression): Argument
+    {
+        if (!array_key_exists($expression, $this->parsedHash)) {
+            $this->parsedHash[$expression] = $this->parser->parse($expression);
+        }
+
+        return new Argument($this->parsedHash[$expression]);
+    }
+
+    /**
+     * @throws UnsafeFunction
+     */
+    private function checkIsSafe(mixed $data): void
+    {
+        if (!$data instanceof Node) {
+            return;
+        }
+
+        $name = $data->getType();
+
+        if (in_array($name, $this->unsafeFunctionList)) {
+            throw new UnsafeFunction("$name is not safe.");
+        }
+
+        foreach ($data->getChildNodes() as $subData) {
+            $this->checkIsSafe($subData);
+        }
+    }
+}

application/Espo/Core/Formula/Exceptions/BadArgumentType.php

@@ -0,0 +1,62 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Exceptions;
+
+/**
+ * A bad argument type.
+ */
+class BadArgumentType extends Error
+{
+    private ?int $position = null;
+    private ?string $type = null;
+
+    /**
+     * Create.
+     *
+     * @param int $position An argument position. Starts from 1.
+     * @param string $type A required argument type.
+     */
+    public static function create(int $position, string $type): self
+    {
+        $obj = new self();
+        $obj->position = $position;
+        $obj->type = $type;
+
+        return $obj;
+    }
+
+    public function getLogMessage(): string
+    {
+        $position = (string) ($this->position ?? '?');
+        $type = $this->type ?? '?';
+
+        return "Bad argument type on position {$position}, must be {$type}.";
+    }
+}

application/Espo/Core/Formula/Exceptions/BadArgumentValue.php

@@ -0,0 +1,66 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Exceptions;
+
+/**
+ * A bad argument value.
+ */
+class BadArgumentValue extends Error
+{
+    private ?int $position = null;
+    private ?string $logMessage = null;
+
+    /**
+     * Create.
+     *
+     * @param int $position An argument position.
+     */
+    public static function create(int $position, ?string $message = null): self
+    {
+        $obj = new self();
+        $obj->position = $position;
+        $obj->logMessage = $message;
+
+        return $obj;
+    }
+
+    public function getLogMessage(): string
+    {
+        $position = (string) ($this->position ?? '?');
+
+        $message = "Bad argument value on position $position.";
+
+        if ($this->logMessage) {
+            $message .= " " . $this->logMessage;
+        }
+
+        return $message;
+    }
+}

application/Espo/Core/Formula/Exceptions/BreakLoop.php

@@ -0,0 +1,33 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Exceptions;
+
+class BreakLoop extends ExecutionException
+{}

application/Espo/Core/Formula/Exceptions/ContinueLoop.php

@@ -0,0 +1,33 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Exceptions;
+
+class ContinueLoop extends ExecutionException
+{}

application/Espo/Core/Formula/Exceptions/Error.php

@@ -0,0 +1,38 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Exceptions;
+
+class Error extends \Exception
+{
+    /**
+     * @var int
+     */
+    protected $code = 500;
+}

application/Espo/Core/Formula/Exceptions/ExecutionException.php

@@ -0,0 +1,33 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Exceptions;
+
+class ExecutionException extends \Exception
+{}

application/Espo/Core/Formula/Exceptions/NotPassedEntity.php

@@ -0,0 +1,34 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Exceptions;
+
+class NotPassedEntity extends Error
+{
+}

application/Espo/Core/Formula/Exceptions/SyntaxError.php

@@ -0,0 +1,58 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Exceptions;
+
+use Throwable;
+
+class SyntaxError extends Error
+{
+    /**
+     * @var ?string
+     */
+    private $shortMessage = null;
+
+    final public function __construct(string $message = '', int $code = 0, ?Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+    }
+
+    public static function create(string $message, ?string $shortMessage = null): self
+    {
+        $obj = new static($message);
+        $obj->shortMessage = $shortMessage;
+
+        return $obj;
+    }
+
+    public function getShortMessage(): ?string
+    {
+        return $this->shortMessage ?? $this->getMessage();
+    }
+}

application/Espo/Core/Formula/Exceptions/TooFewArguments.php

@@ -0,0 +1,58 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Exceptions;
+
+/**
+ * Too few function arguments passed.
+ */
+class TooFewArguments extends Error
+{
+    private ?int $number = null;
+
+    /**
+     * Create.
+     *
+     * @param int $number A required number of arguments.
+     */
+    public static function create(int $number): self
+    {
+        $obj = new self();
+        $obj->number = $number;
+
+        return $obj;
+    }
+
+    public function getLogMessage(): string
+    {
+        $number = (string) ($this->number ?? '?');
+
+        return "Too few arguments passed, must be {$number}.";
+    }
+}

application/Espo/Core/Formula/Exceptions/UndefinedKey.php

@@ -0,0 +1,49 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Exceptions;
+
+class UndefinedKey extends Error
+{
+    private int $levelsRisen = 0;
+
+    public function getLevelsRisen(): int
+    {
+        return $this->levelsRisen;
+    }
+
+    public static function cloneWithLevelRisen(self $exception): UndefinedKey
+    {
+        $obj = new UndefinedKey($exception->getMessage(), $exception->getCode(), $exception);
+
+        $obj->levelsRisen = $exception->getLevelsRisen() + 1;
+
+        return $obj;
+    }
+}

application/Espo/Core/Formula/Exceptions/UnknownFunction.php

@@ -0,0 +1,34 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Exceptions;
+
+class UnknownFunction extends Error
+{
+}

application/Espo/Core/Formula/Exceptions/UnsafeFunction.php

@@ -0,0 +1,34 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Exceptions;
+
+class UnsafeFunction extends Error
+{
+}

application/Espo/Core/Formula/Func.php

@@ -0,0 +1,46 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula;
+
+use Espo\Core\Formula\Exceptions\Error;
+
+/**
+ * A function.
+ */
+interface Func
+{
+    /**
+     * Process.
+     *
+     * @param EvaluatedArgumentList $arguments
+     * @throws Error
+     */
+    public function process(EvaluatedArgumentList $arguments): mixed;
+}

application/Espo/Core/Formula/FuncVariablesAware.php

@@ -0,0 +1,47 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula;
+
+use Espo\Core\Formula\Exceptions\Error;
+
+/**
+ * A function aware of variables.
+ *
+ * @since 8.3.0
+ */
+interface FuncVariablesAware
+{
+    /**
+     * Process.
+     *
+     * @throws Error
+     */
+    public function process(EvaluatedArgumentList $arguments, Variables $variables): mixed;
+}

application/Espo/Core/Formula/FunctionFactory.php

@@ -0,0 +1,114 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula;
+
+use Espo\Core\Formula\Exceptions\UnknownFunction;
+use Espo\Core\Formula\Functions\Base;
+use Espo\Core\Formula\Functions\BaseFunction;
+use Espo\ORM\Entity;
+use Espo\Core\InjectableFactory;
+
+use ReflectionClass;
+use stdClass;
+
+class FunctionFactory
+{
+    /** @var array<string, class-string<BaseFunction|Func|Base>> */
+    private $classNameMap;
+
+    /**
+     * @param array<string, class-string<BaseFunction|Func|Base>> $classNameMap
+     */
+    public function __construct(
+        private Processor $processor,
+        private InjectableFactory $injectableFactory,
+        private AttributeFetcher $attributeFetcher,
+        ?array $classNameMap = null
+    ) {
+        $this->classNameMap = $classNameMap ?? [];
+    }
+
+    /**
+     * @throws UnknownFunction
+     */
+    public function create(
+        string $name,
+        ?Entity $entity = null,
+        ?stdClass $variables = null
+    ): Func|FuncVariablesAware|BaseFunction|Base {
+
+        if ($this->classNameMap && array_key_exists($name, $this->classNameMap)) {
+            $className = $this->classNameMap[$name];
+        } else {
+            $arr = explode('\\', $name);
+
+            foreach ($arr as $i => $part) {
+                if ($i < count($arr) - 1) {
+                    $part = $part . 'Group';
+                }
+
+                $arr[$i] = ucfirst($part);
+            }
+
+            $typeName = implode('\\', $arr);
+
+            /** @var class-string<Func|FuncVariablesAware|BaseFunction|Base> $className */
+            $className = 'Espo\\Core\\Formula\\Functions\\' . $typeName . 'Type';
+        }
+
+        if (!class_exists($className)) {
+            throw new UnknownFunction("Unknown function: " . $name);
+        }
+
+        $class = new ReflectionClass($className);
+
+        if (
+            $class->implementsInterface(Func::class) ||
+            $class->implementsInterface(FuncVariablesAware::class)
+        ) {
+            return $this->injectableFactory->create($className);
+        }
+
+        $object = $this->injectableFactory->createWith($className, [
+            'name' => $name,
+            'processor' => $this->processor,
+            'entity' => $entity,
+            'variables' => $variables,
+            'attributeFetcher' => $this->attributeFetcher,
+        ]);
+
+        if (method_exists($object, 'setAttributeFetcher')) {
+            $object->setAttributeFetcher($this->attributeFetcher);
+        }
+
+        /** @var BaseFunction|Base */
+        return $object;
+    }
+}

application/Espo/Core/Formula/Functions/ArrayAppendType.php

@@ -0,0 +1,66 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions;
+
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Formula\Exceptions\Error;
+
+/**
+ * @noinspection PhpUnused
+ */
+class ArrayAppendType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 2) {
+            $this->throwTooFewArguments();
+        }
+
+        $name = $this->evaluate($args[0]);
+
+        if (!is_string($name)) {
+            $this->throwBadArgumentValue(1, 'string');
+        }
+
+        $value = $this->evaluate($args[1]);
+
+        if (!property_exists($this->getVariables(), $name)) {
+            throw new Error("Cannot array-append to not existing variable.");
+        }
+
+        $array =& $this->getVariables()->$name;
+
+        if (!is_array($array)) {
+            throw new Error("Cannot array-append to non-array variable.");
+        }
+
+        $array[] = $value;
+    }
+}

application/Espo/Core/Formula/Functions/ArrayGroup/AtType.php

@@ -0,0 +1,65 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ArrayGroup;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class AtType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 2) {
+            $this->throwTooFewArguments();
+        }
+
+        $array = $args[0] ?? [];
+        $index = $args[1];
+
+        if (!is_array($array)) {
+            $this->throwBadArgumentType(1, 'array');
+        }
+
+        if (!is_int($index)) {
+            $this->throwBadArgumentType(2, 'int');
+        }
+
+        if (!array_key_exists($index, $array)) {
+            $this->log("index doesn't exist");
+            return null;
+        }
+
+        return $array[$index];
+    }
+}

application/Espo/Core/Formula/Functions/ArrayGroup/IncludesType.php

@@ -0,0 +1,56 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ArrayGroup;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class IncludesType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 2) {
+            $this->throwTooFewArguments();
+        }
+
+        $list = $args[0] ?? [];
+        $needle = $args[1];
+
+        if (!is_array($list)) {
+            return false;
+        }
+
+        return in_array($needle, $list);
+    }
+}

application/Espo/Core/Formula/Functions/ArrayGroup/IndexOfType.php

@@ -0,0 +1,62 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ArrayGroup;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class IndexOfType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        $evaluatedArgs = $this->evaluate($args);
+
+        if (count($evaluatedArgs) < 2) {
+            $this->throwTooFewArguments();
+        }
+
+        $array = $evaluatedArgs[0] ?? [];
+        $needle = $evaluatedArgs[1];
+
+        if (!is_array($array)) {
+            $this->throwBadArgumentType(1, 'array');
+        }
+
+        $result = array_search($needle, $array, true);
+
+        if ($result === false || is_string($result)) {
+            return null;
+        }
+
+        return $result;
+    }
+}

application/Espo/Core/Formula/Functions/ArrayGroup/JoinType.php

@@ -0,0 +1,55 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ArrayGroup;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class JoinType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 2) {
+            $this->throwTooFewArguments();
+        }
+
+        $list = $this->evaluate($args[0]) ?? [];
+
+        $separator = $this->evaluate($args[1]);
+
+        if (!is_string($separator)) {
+            $this->throwBadArgumentValue(2, 'string');
+        }
+
+        return implode($separator, $list);
+    }
+}

application/Espo/Core/Formula/Functions/ArrayGroup/LengthType.php

@@ -0,0 +1,55 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ArrayGroup;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class LengthType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 1) {
+            $this->throwTooFewArguments();
+        }
+
+        $list = $args[0];
+
+        if (!is_array($list)) {
+            return 0;
+        }
+
+        return count($list);
+    }
+}

application/Espo/Core/Formula/Functions/ArrayGroup/PushType.php

@@ -0,0 +1,63 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ArrayGroup;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class PushType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 2) {
+            $this->throwTooFewArguments();
+        }
+
+        $list = $this->evaluate($args[0]) ?? [];
+
+        if (!is_array($list)) {
+            $this->throwError("Argument is non-array.");
+        }
+
+        foreach ($args as $i => $v) {
+            if ($i === 0) {
+                continue;
+            }
+
+            $element = $this->evaluate($args[$i]);
+
+            $list[] = $element;
+        }
+
+        return $list;
+    }
+}

application/Espo/Core/Formula/Functions/ArrayGroup/RemoveAtType.php

@@ -0,0 +1,70 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ArrayGroup;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class RemoveAtType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        $evaluatedArgs = $this->evaluate($args);
+
+        if (count($evaluatedArgs) < 2) {
+            $this->throwTooFewArguments();
+        }
+
+        $array = $evaluatedArgs[0] ?? [];
+        $index = $evaluatedArgs[1];
+
+        if ($index === null) {
+            return $array;
+        }
+
+        if (!is_array($array)) {
+            $this->throwBadArgumentType(1, 'array');
+        }
+
+        if (!is_int($index)) {
+            $this->throwBadArgumentType(2, 'int');
+        }
+
+        if (!array_key_exists($index, $array)) {
+            return $array;
+        }
+
+        unset($array[$index]);
+
+        return array_values($array);
+    }
+}

application/Espo/Core/Formula/Functions/ArrayGroup/UniqueType.php

@@ -0,0 +1,55 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ArrayGroup;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class UniqueType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        $evaluatedArgs = $this->evaluate($args);
+
+        if (count($evaluatedArgs) < 1) {
+            $this->throwTooFewArguments();
+        }
+
+        $array = $evaluatedArgs[0] ?? [];
+
+        if (!is_array($array)) {
+            $this->throwBadArgumentType(1, 'array');
+        }
+
+        return array_values(array_unique($array));
+    }
+}

application/Espo/Core/Formula/Functions/AssignType.php

@@ -0,0 +1,54 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions;
+
+use Espo\Core\Formula\ArgumentList;
+
+class AssignType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 2) {
+            $this->throwTooFewArguments();
+        }
+
+        $name = $this->evaluate($args[0]);
+
+        if (!is_string($name)) {
+            $this->throwBadArgumentValue(1, 'string');
+        }
+
+        $value = $this->evaluate($args[1]);
+
+        $this->getVariables()->$name = $value;
+
+        return $value;
+    }
+}

application/Espo/Core/Formula/Functions/AttributeType.php

@@ -0,0 +1,72 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions;
+
+use Espo\Core\Exceptions\Error;
+use Espo\Core\Formula\AttributeFetcher;
+
+class AttributeType extends Base
+{
+    /**
+     * @var AttributeFetcher
+     */
+    protected $attributeFetcher;
+
+    /**
+     * @return void
+     */
+    public function setAttributeFetcher(AttributeFetcher $attributeFetcher)
+    {
+        $this->attributeFetcher = $attributeFetcher;
+    }
+
+    /**
+     * @return mixed
+     * @throws Error
+     */
+    public function process(\stdClass $item)
+    {
+        if (!property_exists($item, 'value')) {
+            throw new Error();
+        }
+
+        return $this->getAttributeValue($item->value);
+    }
+
+    /**
+     * @param string $attribute
+     * @return mixed
+     * @throws Error
+     */
+    protected function getAttributeValue($attribute)
+    {
+        return $this->attributeFetcher->fetch($this->getEntity(), $attribute);
+    }
+}

application/Espo/Core/Formula/Functions/Base.php

@@ -0,0 +1,132 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions;
+
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\ORM\Entity;
+use Espo\Core\Formula\Processor;
+use Espo\Core\Formula\Argument;
+
+use stdClass;
+
+/**
+ * @deprecated Use Func interface instead.
+ * @todo Remove in v11.0.
+ */
+abstract class Base
+{
+    /**
+     * @var ?string
+     */
+    protected $name;
+
+    /**
+     * @var Processor
+     */
+    protected $processor;
+
+    /**
+     * @var ?Entity
+     */
+    private $entity;
+
+    /**
+     * @var ?\stdClass
+     */
+    private $variables;
+
+    public function __construct(string $name, Processor $processor, ?Entity $entity = null, ?stdClass $variables = null)
+    {
+        $this->name = $name;
+        $this->processor = $processor;
+        $this->entity = $entity;
+        $this->variables = $variables;
+    }
+
+    protected function getVariables(): stdClass
+    {
+        return $this->variables ?? (object) [];
+    }
+
+    /**
+     * @throws Error
+     */
+    protected function getEntity() /** @phpstan-ignore-line */
+    {
+        if (!$this->entity) {
+            throw new Error('Formula: Entity required but not passed.');
+        }
+
+        return $this->entity;
+    }
+
+    /**
+     * @return mixed
+     * @throws Error
+     */
+    public abstract function process(stdClass $item);
+
+    /**
+     * @param mixed $item
+     * @return mixed
+     * @throws Error
+     */
+    protected function evaluate($item)
+    {
+        $item = new Argument($item);
+
+        return $this->processor->process($item);
+    }
+
+    /**
+     * @return mixed[]
+     * @throws Error
+     */
+    protected function fetchArguments(stdClass $item): array
+    {
+        $args = $item->value ?? [];
+
+        $eArgs = [];
+
+        foreach ($args as $item) {
+            $eArgs[] = $this->evaluate($item);
+        }
+
+        return $eArgs;
+    }
+
+    /**
+     * @return mixed[]
+     */
+    protected function fetchRawArguments(stdClass $item): array
+    {
+        return $item->value ?? [];
+    }
+}

application/Espo/Core/Formula/Functions/BaseFunction.php

@@ -0,0 +1,199 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions;
+
+use Espo\ORM\Entity;
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Formula\Evaluatable;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\BadArgumentValue;
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\Core\Formula\Exceptions\ExecutionException;
+use Espo\Core\Formula\Exceptions\NotPassedEntity;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Processor;
+use Espo\Core\Utils\Log;
+
+use stdClass;
+
+/**
+ * A base abstract function. Avoid extending. Use Func interface instead.
+ */
+abstract class BaseFunction
+{
+    protected function getVariables(): stdClass
+    {
+        return $this->variables ?? (object) [];
+    }
+
+    /**
+     * Get a target entity.
+     *
+     * @throws NotPassedEntity
+     */
+    protected function getEntity(): Entity
+    {
+        if (!$this->entity) {
+            throw new NotPassedEntity('function: ' . $this->name);
+        }
+
+        return $this->entity;
+    }
+
+    public function __construct(
+        protected string $name,
+        protected Processor $processor,
+        private ?Entity $entity = null,
+        private ?stdClass $variables = null,
+        protected ?Log $log = null
+    ) {}
+
+    /**
+     * Evaluates a function.
+     *
+     * @return mixed A result of the function.
+     * @throws Error
+     * @throws ExecutionException
+     */
+    public abstract function process(ArgumentList $args);
+
+    /**
+     * Evaluates an argument or argument list.
+     *
+     * @param Evaluatable $item Argument or ArgumentList.
+     * @return mixed A result of evaluation. An array if an argument list was passed.
+     * @throws Error
+     * @throws ExecutionException
+     */
+    protected function evaluate(Evaluatable $item)
+    {
+        return $this->processor->process($item);
+    }
+
+    /**
+     * Throws TooFewArguments exception.
+     *
+     * @return never
+     * @throws TooFewArguments
+     */
+    protected function throwTooFewArguments(?int $number = null)
+    {
+        $msg = 'function: ' . $this->name;
+
+        if ($number !== null) {
+            $msg .= ', needs: ' . $number;
+        }
+
+        throw new TooFewArguments($msg);
+    }
+
+    /**
+     * Throw BadArgumentType exception.
+     *
+     * @return never
+     * @throws BadArgumentType
+     */
+    protected function throwBadArgumentType(?int $index = null, ?string $type = null)
+    {
+        $msg = 'function: ' . $this->name;
+
+        if ($index !== null) {
+            $msg .= ', index: ' . $index;
+
+            if ($type) {
+                $msg .= ', should be: ' . $type;
+            }
+        }
+
+        throw new BadArgumentType($msg);
+    }
+
+    /**
+     * Throw BadArgumentValue exception.
+     *
+     * @return never
+     * @throws BadArgumentValue
+     */
+    protected function throwBadArgumentValue(?int $index = null, ?string $msg = null)
+    {
+        $string = 'function: ' . $this->name;
+
+        if ($index !== null) {
+            $string .= ', index: ' . $index;
+
+            if ($msg) {
+                $string .= ', ' . $msg;
+            }
+        }
+
+        throw new BadArgumentValue($string);
+    }
+
+    /**
+     * Throw Error exception.
+     *
+     * @return never
+     * @throws Error
+     */
+    protected function throwError(?string $msg = null)
+    {
+        $string = 'function: ' . $this->name;
+
+        if ($msg) {
+            $string .= ', ' . $msg;
+        }
+
+        throw new Error($string);
+    }
+
+    /**
+     * Log a bad argument type.
+     */
+    protected function logBadArgumentType(int $index, string $type): void
+    {
+        if (!$this->log) {
+            return;
+        }
+
+        $this->log->warning("Formula function: {$this->name}, argument {$index} should be '{$type}'.");
+    }
+
+    /**
+     * Log a message.
+     */
+    protected function log(string $msg, string $level = 'notice'): void
+    {
+        if (!$this->log) {
+            return;
+        }
+
+        $this->log->log($level, 'Formula function: ' . $this->name . ', ' . $msg);
+    }
+}

application/Espo/Core/Formula/Functions/BreakType.php

@@ -0,0 +1,41 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions;
+
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Formula\Exceptions\BreakLoop;
+
+class BreakType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        throw new BreakLoop();
+    }
+}

application/Espo/Core/Formula/Functions/BundleType.php

@@ -0,0 +1,49 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions;
+
+use Espo\Core\Formula\ArgumentList;
+
+/**
+ * @noinspection PhpUnused
+ */
+class BundleType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        $value = null;
+
+        foreach ($args as $item) {
+            $value = $this->evaluate($item);
+        }
+
+        return $value;
+    }
+}

application/Espo/Core/Formula/Functions/ComparisonGroup/Base.php

@@ -0,0 +1,62 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ComparisonGroup;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+abstract class Base extends BaseFunction
+{
+    /**
+     * @return bool
+     * @throws \Espo\Core\Formula\Exceptions\TooFewArguments
+     * @throws \Espo\Core\Formula\Exceptions\Error
+     */
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 2) {
+            $this->throwTooFewArguments();
+        }
+
+        $left = $this->evaluate($args[0]);
+        $right = $this->evaluate($args[1]);
+
+        return $this->compare($left, $right);
+    }
+
+    /**
+     * @param mixed $left
+     * @param mixed $right
+     * @return bool
+     */
+    abstract protected function compare($left, $right);
+}

application/Espo/Core/Formula/Functions/ComparisonGroup/EqualsType.php

@@ -0,0 +1,63 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ComparisonGroup;
+
+class EqualsType extends Base
+{
+    /**
+     * @param mixed $left
+     * @param mixed $right
+     * @return bool
+     */
+    protected function compare($left, $right)
+    {
+        if (is_array($left) && is_array($right)) {
+            $result = true;
+
+            foreach ($left as $i => $value) {
+                if (!array_key_exists($i, $right)) {
+                    $result = false;
+
+                    break;
+                }
+
+                if ($value !== $right[$i]) {
+                    $result = false;
+
+                    break;
+                }
+            }
+
+            return $result;
+        }
+
+        return $left === $right;
+    }
+}

application/Espo/Core/Formula/Functions/ComparisonGroup/GreaterThanOrEqualsType.php

@@ -0,0 +1,43 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ComparisonGroup;
+
+class GreaterThanOrEqualsType extends Base
+{
+    /**
+     * @param mixed $left
+     * @param mixed $right
+     * @return bool
+     */
+    protected function compare($left, $right)
+    {
+        return $left >= $right;
+    }
+}

application/Espo/Core/Formula/Functions/ComparisonGroup/GreaterThanType.php

@@ -0,0 +1,43 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ComparisonGroup;
+
+class GreaterThanType extends Base
+{
+    /**
+     * @param mixed $left
+     * @param mixed $right
+     * @return bool
+     */
+    protected function compare($left, $right)
+    {
+        return $left > $right;
+    }
+}

application/Espo/Core/Formula/Functions/ComparisonGroup/LessThanOrEqualsType.php

@@ -0,0 +1,43 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ComparisonGroup;
+
+class LessThanOrEqualsType extends Base
+{
+    /**
+     * @param mixed $left
+     * @param mixed $right
+     * @return bool
+     */
+    protected function compare($left, $right)
+    {
+        return $left <= $right;
+    }
+}

application/Espo/Core/Formula/Functions/ComparisonGroup/LessThanType.php

@@ -0,0 +1,43 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ComparisonGroup;
+
+class LessThanType extends Base
+{
+    /**
+     * @param mixed $left
+     * @param mixed $right
+     * @return bool
+     */
+    protected function compare($left, $right)
+    {
+        return $left < $right;
+    }
+}

application/Espo/Core/Formula/Functions/ComparisonGroup/NotEqualsType.php

@@ -0,0 +1,43 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ComparisonGroup;
+
+class NotEqualsType extends EqualsType
+{
+    /**
+     * @param mixed $left
+     * @param mixed $right
+     * @return bool
+     */
+    protected function compare($left, $right)
+    {
+        return !parent::compare($left, $right);
+    }
+}

application/Espo/Core/Formula/Functions/ComparisonGroup/NullCoalescingType.php

@@ -0,0 +1,69 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ComparisonGroup;
+
+use Espo\Core\Formula\Exceptions\UndefinedKey;
+use Espo\Core\Formula\Functions\BaseFunction;
+use Espo\Core\Formula\ArgumentList;
+
+class NullCoalescingType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 2) {
+            $this->throwTooFewArguments();
+        }
+
+        $array = [];
+
+        foreach ($args as $arg) {
+            $array[] = $arg;
+        }
+
+        foreach (array_slice($array, 0, -1) as $arg) {
+            try {
+                $value = $this->evaluate($arg);
+            } catch (UndefinedKey $e) {
+                if ($e->getLevelsRisen() > 1) {
+                    throw $e;
+                }
+
+                $value = null;
+            }
+
+
+            if ($value !== null) {
+                return $value;
+            }
+        }
+
+        return $this->evaluate($array[count($array) - 1]);
+    }
+}

application/Espo/Core/Formula/Functions/ConditionType.php

@@ -0,0 +1,43 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class ConditionType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        return $this->evaluate($args[0]);
+    }
+}

application/Espo/Core/Formula/Functions/ContinueType.php

@@ -0,0 +1,41 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions;
+
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Formula\Exceptions\ContinueLoop;
+
+class ContinueType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        throw new ContinueLoop();
+    }
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/AddDaysType.php

@@ -0,0 +1,35 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+class AddDaysType extends AddIntervalType
+{
+    protected string $intervalTypeString = 'days';
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/AddHoursType.php

@@ -0,0 +1,36 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+class AddHoursType extends AddIntervalType
+{
+    protected string $intervalTypeString = 'hours';
+    protected bool $timeOnly = true;
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/AddIntervalType.php

@@ -0,0 +1,100 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+use Espo\Core\Di;
+use Espo\Core\Utils\DateTime as DateTimeUtil;
+
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Formula\Functions\BaseFunction;
+
+use DateTime;
+use Exception;
+
+abstract class AddIntervalType extends BaseFunction implements Di\DateTimeAware
+{
+    use Di\DateTimeSetter;
+
+    protected bool $timeOnly = false;
+    protected string $intervalTypeString;
+
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 2) {
+            $this->throwTooFewArguments();
+        }
+
+        $dateTimeString = $args[0];
+
+        if (!$dateTimeString) {
+            return null;
+        }
+
+        if (!is_string($dateTimeString)) {
+            $this->throwBadArgumentType(1, 'string');
+        }
+
+        $interval = $args[1];
+
+        if (!is_numeric($interval)) {
+            $this->throwBadArgumentType(2, 'numeric');
+        }
+
+        $isTime = false;
+        if (strlen($dateTimeString) > 10) {
+            $isTime = true;
+        }
+
+        if ($this->timeOnly && !$isTime) {
+            $dateTimeString .= ' 00:00:00';
+            $isTime = true;
+        }
+
+        try {
+            $dateTime = new DateTime($dateTimeString);
+        } catch (Exception) {
+            $this->log('bad date-time value passed', 'warning');
+
+            return null;
+        }
+
+        $dateTime->modify(
+            ($interval > 0 ? '+' : '') . strval($interval) . ' ' . $this->intervalTypeString
+        );
+
+        if ($isTime) {
+            return $dateTime->format(DateTimeUtil::SYSTEM_DATE_TIME_FORMAT);
+        } else {
+            return $dateTime->format(DateTimeUtil::SYSTEM_DATE_FORMAT);
+        }
+    }
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/AddMinutesType.php

@@ -0,0 +1,37 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+class AddMinutesType extends AddIntervalType
+{
+
+    protected string $intervalTypeString = 'minutes';
+    protected bool $timeOnly = true;
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/AddMonthsType.php

@@ -0,0 +1,35 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+class AddMonthsType extends AddIntervalType
+{
+    protected string $intervalTypeString = 'months';
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/AddSecondsType.php

@@ -0,0 +1,36 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+class AddSecondsType extends AddIntervalType
+{
+    protected string $intervalTypeString = 'seconds';
+    protected bool $timeOnly = true;
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/AddWeeksType.php

@@ -0,0 +1,35 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+class AddWeeksType extends AddIntervalType
+{
+    protected string $intervalTypeString = 'weeks';
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/AddYearsType.php

@@ -0,0 +1,35 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+class AddYearsType extends AddIntervalType
+{
+    protected string $intervalTypeString = 'years';
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/ClosestType.php

@@ -0,0 +1,249 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+use Espo\Core\Di;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+use DateTime;
+use DateTimeZone;
+
+class ClosestType extends BaseFunction implements Di\ConfigAware
+{
+    use Di\ConfigSetter;
+
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 3) {
+            $this->throwTooFewArguments();
+        }
+
+        $value = $args[0];
+        $type = $args[1];
+        $target = $args[2];
+
+        if (!in_array($type, ['time', 'minute', 'hour', 'date', 'dayOfWeek', 'month'])) {
+            $this->throwBadArgumentType(1);
+        }
+
+        $inPast = false;
+
+        if (count($args) > 3) {
+            $inPast = $args[3];
+        }
+
+        $timezone = null;
+
+        if (count($args) > 4) {
+            $timezone = $args[4];
+        }
+
+        if (!$value) {
+            return null;
+        }
+
+        if (!is_string($value)) {
+            $this->throwBadArgumentType(1, 'string');
+        }
+
+        if (!$timezone) {
+            $timezone = $this->config->get('timeZone');
+        }
+
+        $isDate = false;
+
+        if (strlen($value) === 10) {
+            $isDate = true;
+            $value .= ' 00:00:00';
+        }
+
+        if (strlen($value) === 16) {
+            $value .= ':00';
+        }
+
+        $format = 'Y-m-d H:i:s';
+
+        /** @var DateTime $dt */
+        $dt = DateTime::createFromFormat($format, $value, new DateTimeZone($timezone));
+
+        $valueTimestamp = $dt->getTimestamp();
+
+        if ($type === 'time') {
+            if (!is_string($target)) {
+                $this->throwBadArgumentType(3, 'string');
+            }
+
+            list($hour, $minute) = explode(':', $target);
+
+            if (!$hour) {
+                $hour = 0;
+            }
+
+            if (!$minute) {
+                $minute = 0;
+            }
+
+            $dt->setTime((int) $hour, (int) $minute, 0);
+
+            if ($valueTimestamp < $dt->getTimestamp()) {
+                if ($inPast) {
+                    $dt->modify('-1 day');
+                }
+            } else if ($valueTimestamp > $dt->getTimestamp()) {
+                if (!$inPast) {
+                    $dt->modify('+1 day');
+                }
+            }
+        } else if ($type === 'hour') {
+            $target = intval($target);
+            $dt->setTime($target, 0, 0);
+
+            if ($valueTimestamp < $dt->getTimestamp()) {
+                if ($inPast) {
+                    $dt->modify('-1 day');
+                }
+            } else if ($valueTimestamp > $dt->getTimestamp()) {
+                if (!$inPast) {
+                    $dt->modify('+1 day');
+                }
+            }
+        } else if ($type === 'minute') {
+            $target = intval($target);
+
+            $dt->setTime(intval($dt->format('G')), intval($target), 0);
+
+            if ($valueTimestamp < $dt->getTimestamp()) {
+                if ($inPast) {
+                    $dt->modify('-1 hour');
+                }
+            } else if ($valueTimestamp > $dt->getTimestamp()) {
+                if (!$inPast) {
+                    $dt->modify('+1 hour');
+                }
+            }
+        } else if ($type === 'dayOfWeek') {
+            $target = intval($target);
+            $dt->setTime(0, 0, 0);
+
+            $dayOfWeek = $dt->format('w');
+            $dt->modify('-' . $dayOfWeek . ' days');
+            $dt->modify('+' . $target . ' days');
+
+            if ($valueTimestamp < $dt->getTimestamp()) {
+                if ($inPast) {
+                    $dt->modify('-1 week');
+                }
+            } else if ($valueTimestamp > $dt->getTimestamp()) {
+                if (!$inPast) {
+                    $dt->modify('+1 week');
+                }
+            }
+        } else if ($type === 'date') {
+            $target = intval($target);
+            $dt->setTime(0, 0, 0);
+
+            if ($inPast) {
+                while (true) {
+                    $date = intval($dt->format('d'));
+
+                    if ($date === $target) {
+                        break;
+                    }
+
+                    $dt->modify('-1 day');
+                }
+            } else {
+                if ($valueTimestamp > $dt->getTimestamp()) {
+                    $dt->modify('+1 day');
+                }
+
+                while (true) {
+                    $date = intval($dt->format('d'));
+
+                    if ($date === $target) {
+                        break;
+                    }
+
+                    $dt->modify('+1 day');
+                }
+            }
+        } else if ($type === 'month') {
+            $target = intval($target);
+
+            $dt->setTime(0, 0, 0);
+            $days = intval($dt->format('d')) - 1;
+            $dt->modify('-' . $days . ' days');
+
+            if ($inPast) {
+                while (true) {
+                    $month = intval($dt->format('m'));
+
+                    if ($month === $target) {
+                        break;
+                    }
+
+                    $dt->modify('-1 month');
+                }
+            } else {
+                if ($valueTimestamp > $dt->getTimestamp()) {
+                    $dt->modify('+1 month');
+                }
+
+                while (true) {
+                    $month = intval($dt->format('m'));
+
+                    if ($month === $target) {
+                        break;
+                    }
+
+                    $dt->modify('+1 month');
+                }
+            }
+        }
+
+        if ($isDate && in_array($type, ['time', 'minute', 'hour'])) {
+            $isDate = false;
+        }
+
+        if (!$isDate) {
+            $dt->setTimezone(new DateTimeZone('UTC'));
+
+            return $dt->format('Y-m-d H:i');
+        }
+
+        return $dt->format('Y-m-d');
+    }
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/DateType.php

@@ -0,0 +1,70 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+use Espo\Core\Di;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class DateType extends BaseFunction implements Di\DateTimeAware
+{
+    use Di\DateTimeSetter;
+
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 1) {
+            $this->throwTooFewArguments();
+        }
+
+        $value = $args[0];
+
+        $timezone = null;
+        if (count($args) > 1) {
+             $timezone = $args[1];
+        }
+
+        if (empty($value)) {
+            return 0;
+        }
+
+        if (strlen($value) > 11) {
+            $resultString = $this->dateTime->convertSystemDateTime($value, $timezone, 'D');
+        } else {
+            $resultString = $this->dateTime->convertSystemDate($value, 'D');
+        }
+
+        return intval($resultString);
+    }
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/DayOfWeekType.php

@@ -0,0 +1,72 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+use Espo\Core\Di;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class DayOfWeekType extends BaseFunction implements Di\DateTimeAware
+{
+    use Di\DateTimeSetter;
+
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 1) {
+            $this->throwTooFewArguments();
+        }
+
+        $value = $args[0];
+
+        $timezone = null;
+        if (count($args) > 1) {
+             $timezone = $args[1];
+        }
+
+        if (empty($value)) {
+            return -1;
+        }
+
+        if (strlen($value) > 11) {
+            $resultString = $this->dateTime->convertSystemDateTime($value, $timezone, 'd');
+        } else {
+            $resultString = $this->dateTime->convertSystemDate($value, 'd');
+        }
+
+        $result = intval($resultString);
+
+        return $result;
+    }
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/DiffType.php

@@ -0,0 +1,143 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\Core\Formula\Exceptions\ExecutionException;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Functions\BaseFunction;
+
+use DateTime;
+
+class DiffType extends BaseFunction
+{
+    /**
+     * @var array<string, string>
+     */
+    protected $intervalTypePropertyMap = [
+        'years' => 'y',
+        'months' => 'm',
+        'days' => 'd',
+        'hours' => 'h',
+        'minutes' => 'i',
+        'seconds' => 's',
+    ];
+
+    /**
+     * @return ?int
+     * @throws TooFewArguments
+     * @throws Error
+     * @throws ExecutionException
+     */
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 2) {
+            $this->throwTooFewArguments();
+        }
+
+        $dateTime1String = $args[0];
+        $dateTime2String = $args[1];
+
+        if (!$dateTime1String) {
+            return null;
+        }
+
+        if (!$dateTime2String) {
+            return null;
+        }
+
+        if (!is_string($dateTime1String)) {
+            $this->throwBadArgumentType(1, 'string');
+        }
+
+        if (!is_string($dateTime2String)) {
+            $this->throwBadArgumentType(2, 'string');
+        }
+
+        $intervalType = 'days';
+
+        if (count($args) > 2) {
+            $intervalType = $args[2];
+        }
+
+        if (!is_string($intervalType)) {
+            $this->throwBadArgumentType(3, 'string');
+        }
+
+        if (!array_key_exists($intervalType, $this->intervalTypePropertyMap)) {
+            $this->throwBadArgumentValue(3, "not supported interval type '{$intervalType}'");
+        }
+
+        $isTime = false;
+
+        if (strlen($dateTime1String) > 10) {
+            $isTime = true;
+        }
+
+        try {
+            $dateTime1 = new DateTime($dateTime1String);
+            $dateTime2 = new DateTime($dateTime2String);
+        } catch (\Exception $e) {
+            return null;
+        }
+
+        $t1 = $dateTime1->getTimestamp();
+        $t2 = $dateTime2->getTimestamp();
+
+        $secondsDiff = $t1 - $t2;
+
+        if ($intervalType === 'seconds') {
+            $number = $secondsDiff;
+        } else if ($intervalType === 'minutes') {
+            $number = floor($secondsDiff / 60);
+        } else if ($intervalType === 'hours') {
+            $number = floor($secondsDiff / (60 * 60));
+        } else if ($intervalType === 'days') {
+            $number = floor($secondsDiff / (60 * 60 * 24));
+        } else {
+            $property = $this->intervalTypePropertyMap[$intervalType];
+            $interval = $dateTime2->diff($dateTime1);
+            $number = $interval->$property;
+
+            if ($interval->invert) {
+                $number *= -1;
+            }
+
+            if ($intervalType === 'months') {
+                $number += $interval->y * 12;
+            }
+        }
+
+        return $number;
+    }
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/FormatType.php

@@ -0,0 +1,73 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+use Espo\Core\Di;
+
+use Espo\Core\Formula\{
+    Exceptions\Error,
+    Functions\BaseFunction,
+    ArgumentList};
+use RuntimeException;
+
+class FormatType extends BaseFunction implements Di\DateTimeAware
+{
+    use Di\DateTimeSetter;
+
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 1) {
+            $this->throwTooFewArguments();
+        }
+
+        $timezone = null;
+        if (count($args) > 1) {
+            $timezone = $args[1];
+        }
+        $value = $args[0];
+
+        $format = null;
+        if (count($args) > 2) {
+            $format = $args[2];
+        }
+
+        try {
+            if (strlen($value) > 11) {
+                return $this->dateTime->convertSystemDateTime($value, $timezone, $format);
+            } else {
+                return $this->dateTime->convertSystemDate($value, $format);
+            }
+        } catch (RuntimeException $e) {
+            throw new Error($e->getMessage(), 500, $e);
+        }
+    }
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/HourType.php

@@ -0,0 +1,70 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+use Espo\Core\Di;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class HourType extends BaseFunction implements Di\DateTimeAware
+{
+    use Di\DateTimeSetter;
+
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 1) {
+            $this->throwTooFewArguments();
+        }
+
+        $value = $args[0];
+
+        $timezone = null;
+        if (count($args) > 1) {
+            $timezone = $args[1];
+        }
+
+        if (empty($value)) {
+            return -1;
+        }
+
+        if (strlen($value) > 11) {
+            $resultString = $this->dateTime->convertSystemDateTime($value, $timezone, 'H');
+        } else {
+            return 0;
+        }
+
+        return intval($resultString);
+    }
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/MinuteType.php

@@ -0,0 +1,70 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+use Espo\Core\Di;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class MinuteType extends BaseFunction implements Di\DateTimeAware
+{
+    use Di\DateTimeSetter;
+
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 1) {
+            $this->throwTooFewArguments();
+        }
+
+        $value = $args[0];
+
+        $timezone = null;
+        if (count($args) > 1) {
+             $timezone = $args[1];
+        }
+
+        if (empty($value)) {
+            return -1;
+        }
+
+        if (strlen($value) > 11) {
+            $resultString = $this->dateTime->convertSystemDateTime($value, $timezone, 'm');
+        } else {
+            return 0;
+        }
+
+        return intval($resultString);
+    }
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/MonthType.php

@@ -0,0 +1,70 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+use Espo\Core\Di;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class MonthType extends BaseFunction implements Di\DateTimeAware
+{
+    use Di\DateTimeSetter;
+
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 1) {
+            $this->throwTooFewArguments();
+        }
+
+        $value = $args[0];
+
+        $timezone = null;
+        if (count($args) > 1) {
+             $timezone = $args[1];
+        }
+
+        if (empty($value)) {
+            return 0;
+        }
+
+        if (strlen($value) > 11) {
+            $resultString = $this->dateTime->convertSystemDateTime($value, $timezone, 'M');
+        } else {
+            $resultString = $this->dateTime->convertSystemDate($value, 'M');
+        }
+
+        return intval($resultString);
+    }
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/NowType.php

@@ -0,0 +1,45 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+use Espo\Core\Utils\DateTime;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class NowType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        return DateTime::getSystemNowString();
+    }
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/TodayType.php

@@ -0,0 +1,62 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+use DateTimeZone;
+use Espo\Core\Field\DateTime;
+use Espo\Core\Formula\EvaluatedArgumentList;
+use Espo\Core\Formula\Func;
+use Espo\Core\Utils\Config\ApplicationConfig;
+use Espo\Core\Utils\DateTime as DateTimeUtil;
+use Exception;
+use RuntimeException;
+
+/**
+ * @noinspection PhpUnused
+ */
+class TodayType implements Func
+{
+    public function __construct(
+        private ApplicationConfig $applicationConfig
+    ) {}
+
+    public function process(EvaluatedArgumentList $arguments): string
+    {
+        $timezone = $this->applicationConfig->getTimeZone();
+
+        try {
+            $today = DateTime::createNow()->withTimezone(new DateTimeZone($timezone));
+        } catch (Exception $e) {
+            throw new RuntimeException($e->getMessage());
+        }
+
+        return $today->toDateTime()->format(DateTimeUtil::SYSTEM_DATE_FORMAT);
+    }
+}

application/Espo/Core/Formula/Functions/DatetimeGroup/YearType.php

@@ -0,0 +1,70 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\DatetimeGroup;
+
+use Espo\Core\Di;
+
+use Espo\Core\Formula\{
+    Functions\BaseFunction,
+    ArgumentList,
+};
+
+class YearType extends BaseFunction implements Di\DateTimeAware
+{
+    use Di\DateTimeSetter;
+
+    public function process(ArgumentList $args)
+    {
+        $args = $this->evaluate($args);
+
+        if (count($args) < 1) {
+            $this->throwTooFewArguments();
+        }
+
+        $value = $args[0];
+
+        $timezone = null;
+        if (count($args) > 1) {
+             $timezone = $args[1];
+        }
+
+        if (empty($value)) {
+            return 0;
+        }
+
+        if (strlen($value) > 11) {
+            $resultString = $this->dateTime->convertSystemDateTime($value, $timezone, 'YYYY');
+        } else {
+            $resultString = $this->dateTime->convertSystemDate($value, 'YYYY');
+        }
+
+        return intval($resultString);
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/AddLinkMultipleIdType.php

@@ -0,0 +1,72 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+use Espo\Core\Exceptions\Error;
+
+class AddLinkMultipleIdType extends \Espo\Core\Formula\Functions\Base
+{
+    /**
+     * @return void
+     * @throws Error
+     * @throws \Espo\Core\Formula\Exceptions\Error
+     */
+    public function process(\stdClass $item)
+    {
+        if (count($item->value) < 2) {
+            throw new Error("addLinkMultipleId function: Too few arguments.");
+        }
+
+        $link = $this->evaluate($item->value[0]);
+        $id = $this->evaluate($item->value[1]);
+
+        if (!is_string($link)) {
+            throw new Error();
+        }
+
+        if (is_array($id)) {
+            $idList = $id;
+
+            foreach ($idList as $id) {
+                if (!is_string($id)) {
+                    throw new Error();
+                }
+
+                $this->getEntity()->addLinkMultipleId($link, $id);
+            }
+        } else {
+            if (!is_string($id)) {
+                return;
+            }
+
+            $this->getEntity()->addLinkMultipleId($link, $id);
+        }
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/AttributeFetchedType.php

@@ -0,0 +1,38 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+class AttributeFetchedType extends AttributeType
+{
+    protected function getAttributeValue($attribute)
+    {
+        return $this->attributeFetcher->fetch($this->getEntity(), $attribute, true);
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/AttributeType.php

@@ -0,0 +1,46 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+use Espo\Core\Exceptions\Error;
+
+class AttributeType extends \Espo\Core\Formula\Functions\AttributeType
+{
+    public function process(\stdClass $item)
+    {
+        if (count($item->value) < 1) {
+            throw new Error("attribute function: Too few arguments.");
+        }
+
+        $attribute = $this->evaluate($item->value[0]);
+
+        return $this->getAttributeValue($attribute);
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/ClearAttributeType.php

@@ -0,0 +1,60 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Functions\BaseFunction;
+
+/**
+ * @noinspection PhpUnused
+ */
+class ClearAttributeType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 1) {
+            throw TooFewArguments::create(1);
+        }
+
+        $args = $this->evaluate($args);
+
+        $attribute = $args[0];
+
+        if (!is_string($attribute)) {
+            throw BadArgumentType::create(1, 'string');
+        }
+
+        $this->getEntity()->clear($attribute);
+
+        return null;
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/CountRelatedType.php

@@ -0,0 +1,106 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+use Espo\Core\Exceptions\BadRequest;
+use Espo\Core\Exceptions\Forbidden;
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\Core\Formula\Functions\Base;
+use Espo\Core\Formula\Functions\RecordGroup\Util\FindQueryUtil;
+use Espo\Core\Select\SelectBuilderFactory;
+use Espo\ORM\Defs\Params\RelationParam;
+use Espo\Core\Di;
+use stdClass;
+
+/**
+ * @noinspection PhpUnused
+ */
+class CountRelatedType extends Base implements
+    Di\EntityManagerAware,
+    Di\InjectableFactoryAware,
+    Di\UserAware
+{
+    use Di\EntityManagerSetter;
+    use Di\InjectableFactorySetter;
+    use Di\UserSetter;
+
+    /**
+     * @return int
+     * @throws Error
+     */
+    public function process(stdClass $item)
+    {
+        if (count($item->value) < 1) {
+            throw new Error("countRelated: roo few arguments.");
+        }
+
+        $link = $this->evaluate($item->value[0]);
+
+        if (empty($link)) {
+            throw new Error("countRelated: no link passed.");
+        }
+
+        $filter = null;
+
+        if (count($item->value) > 1) {
+            $filter = $this->evaluate($item->value[1]);
+        }
+
+        $entity = $this->getEntity();
+
+        $entityManager = $this->entityManager;
+
+        $foreignEntityType = $entity->getRelationParam($link, RelationParam::ENTITY);
+
+        if (empty($foreignEntityType)) {
+            throw new Error();
+        }
+
+        $builder = $this->injectableFactory->create(SelectBuilderFactory::class)
+            ->create()
+            ->forUser($this->user)
+            ->from($foreignEntityType);
+
+        if ($filter) {
+            (new FindQueryUtil())->applyFilter($builder, $filter, 2);
+        }
+
+        try {
+            $query = $builder->build();
+        } catch (BadRequest|Forbidden $e) {
+            throw new Error($e->getMessage());
+        }
+
+        return $entityManager->getRDBRepository($entity->getEntityType())
+            ->getRelation($entity, $link)
+            ->clone($query)
+            ->count();
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/GetLinkColumnType.php

@@ -0,0 +1,72 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+use Espo\Core\Exceptions\Error;
+
+use Espo\ORM\EntityManager;
+
+use Espo\Core\Di;
+
+class GetLinkColumnType extends \Espo\Core\Formula\Functions\Base implements
+    Di\EntityManagerAware
+{
+    use Di\EntityManagerSetter;
+
+    /**
+     * @var EntityManager
+     */
+    protected $entityManager;
+
+    /**
+     * @return mixed
+     * @throws Error
+     * @throws \Espo\Core\Formula\Exceptions\Error
+     */
+    public function process(\stdClass $item)
+    {
+        $args = $item->value ?? [];
+
+        if (count($args) < 3) {
+            throw new Error("Formula: entity\\isRelated: no argument.");
+        }
+
+        $link = $this->evaluate($args[0]);
+        $id = $this->evaluate($args[1]);
+        $column = $this->evaluate($args[2]);
+
+        $entityType = $this->getEntity()->getEntityType();
+        $repository = $this->entityManager->getRDBRepository($entityType);
+
+        return $repository
+            ->getRelation($this->getEntity(), $link)
+            ->getColumnById($id, $column);
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/HasLinkMultipleIdType.php

@@ -0,0 +1,60 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+use Espo\Core\Exceptions\Error;
+
+class HasLinkMultipleIdType extends \Espo\Core\Formula\Functions\Base
+{
+    /**
+     * @return bool
+     * @throws Error
+     * @throws \Espo\Core\Formula\Exceptions\Error
+     */
+    public function process(\stdClass $item)
+    {
+        if (count($item->value) < 2) {
+            throw new Error("hasLinkMultipleId: too few arguments.");
+        }
+
+        $link = $this->evaluate($item->value[0]);
+        $id = $this->evaluate($item->value[1]);
+
+        if (!is_string($link)) {
+            throw new Error();
+        }
+
+        if (!is_string($id)) {
+            throw new Error();
+        }
+
+        return $this->getEntity()->hasLinkMultipleId($link, $id);
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/IsAttributeChangedType.php

@@ -0,0 +1,61 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+use Espo\Core\Exceptions\Error;
+
+class IsAttributeChangedType extends \Espo\Core\Formula\Functions\Base
+{
+    /**
+     * @return bool
+     * @throws Error
+     * @throws \Espo\Core\Formula\Exceptions\Error
+     */
+    public function process(\stdClass $item)
+    {
+        if (count($item->value) < 1) {
+            throw new Error("isAttributeChanged: too few arguments.");
+        }
+
+        $attribute = $this->evaluate($item->value[0]);
+
+        return $this->check($attribute);
+    }
+
+    /**
+     * @param string $attribute
+     * @return bool
+     * @throws Error
+     */
+    protected function check($attribute)
+    {
+        return $this->getEntity()->isAttributeChanged($attribute);
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/IsAttributeNotChangedType.php

@@ -0,0 +1,43 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+class IsAttributeNotChangedType extends IsAttributeChangedType
+{
+    /**
+     * @param string $attribute
+     * @return bool
+     * @throws \Espo\Core\Exceptions\Error
+     */
+    protected function check($attribute)
+    {
+        return !parent::check($attribute);
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/IsNewType.php

@@ -0,0 +1,42 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+class IsNewType extends \Espo\Core\Formula\Functions\Base
+{
+    /**
+     * @return bool
+     * @throws \Espo\Core\Exceptions\Error
+     */
+    public function process(\stdClass $item)
+    {
+        return $this->getEntity()->isNew();
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/IsRelatedType.php

@@ -0,0 +1,60 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\Core\Formula\Functions\Base;
+
+use Espo\Core\Di;
+
+class IsRelatedType extends Base implements
+    Di\EntityManagerAware
+{
+    use Di\EntityManagerSetter;
+
+    /**
+     * @return bool
+     * @throws Error
+     */
+    public function process(\stdClass $item)
+    {
+        if (count($item->value) < 2) {
+            throw new Error("isRelated: roo few arguments.");
+        }
+
+        $link = $this->evaluate($item->value[0]);
+        $id = $this->evaluate($item->value[1]);
+
+        return $this->entityManager
+            ->getRDBRepository($this->getEntity()->getEntityType())
+            ->getRelation($this->getEntity(), $link)
+            ->isRelatedById($id);
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/RemoveLinkMultipleIdType.php

@@ -0,0 +1,60 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+use Espo\Core\Exceptions\Error;
+
+class RemoveLinkMultipleIdType extends \Espo\Core\Formula\Functions\Base
+{
+    /**
+     * @return void
+     * @throws \Espo\Core\Formula\Exceptions\Error
+     * @throws Error
+     */
+    public function process(\stdClass $item)
+    {
+        if (count($item->value) < 2) {
+            throw new Error("removeLinkMultipleId: roo few arguments.");
+        }
+
+        $link = $this->evaluate($item->value[0]);
+        $id = $this->evaluate($item->value[1]);
+
+        if (!is_string($link)) {
+            throw new Error();
+        }
+
+        if (!is_string($id)) {
+            throw new Error();
+        }
+
+        $this->getEntity()->removeLinkMultipleId($link, $id);
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/SetAttributeType.php

@@ -0,0 +1,34 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+class SetAttributeType extends \Espo\Core\Formula\Functions\SetAttributeType
+{
+}

application/Espo/Core/Formula/Functions/EntityGroup/SetLinkMultipleColumnType.php

@@ -0,0 +1,58 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\Core\Formula\Functions\BaseFunction;
+use Espo\Core\ORM\Entity;
+
+class SetLinkMultipleColumnType extends BaseFunction
+{
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 4) {
+            $this->throwTooFewArguments(4);
+        }
+
+        $link = $this->evaluate($args[0]);
+        $id = $this->evaluate($args[1]);
+        $column = $this->evaluate($args[2]);
+        $value = $this->evaluate($args[3]);
+
+        $entity = $this->getEntity();
+
+        if (!$entity instanceof Entity) {
+            throw new Error();
+        }
+
+        $entity->setLinkMultipleColumn($link, $column, $id, $value);
+    }
+}

application/Espo/Core/Formula/Functions/EntityGroup/SumRelatedType.php

@@ -0,0 +1,171 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EntityGroup;
+
+use Espo\Core\Exceptions\BadRequest;
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\Core\Di;
+use Espo\Core\Exceptions\Forbidden;
+use Espo\Core\Formula\Functions\Base;
+use Espo\Core\Formula\Functions\RecordGroup\Util\FindQueryUtil;
+use Espo\Core\Select\SelectBuilderFactory;
+use Espo\ORM\Defs\Params\RelationParam;
+use Espo\ORM\Name\Attribute;
+use stdClass;
+use PDO;
+
+/**
+ * @noinspection PhpUnused
+ */
+class SumRelatedType extends Base implements
+    Di\EntityManagerAware,
+    Di\InjectableFactoryAware,
+    Di\UserAware
+{
+    use Di\EntityManagerSetter;
+    use Di\InjectableFactorySetter;
+    use Di\UserSetter;
+
+    /**
+     * @return float
+     * @throws Error
+     */
+    public function process(stdClass $item)
+    {
+        if (count($item->value) < 2) {
+            throw new Error("sumRelated: Too few arguments.");
+        }
+
+        $link = $this->evaluate($item->value[0]);
+
+        if (empty($link)) {
+            throw new Error("No link passed to sumRelated function.");
+        }
+
+        $field = $this->evaluate($item->value[1]);
+
+        if (empty($field)) {
+            throw new Error("No field passed to sumRelated function.");
+        }
+
+        $filter = null;
+
+        if (count($item->value) > 2) {
+            $filter = $this->evaluate($item->value[2]);
+        }
+
+        $entity = $this->getEntity();
+
+        $entityManager = $this->entityManager;
+
+        $foreignEntityType = $entity->getRelationParam($link, RelationParam::ENTITY);
+
+        if (empty($foreignEntityType)) {
+            throw new Error();
+        }
+
+        $foreignLink = $entity->getRelationParam($link, RelationParam::FOREIGN);
+        $foreignLinkAlias = $foreignLink . 'SumRelated';
+
+        if (empty($foreignLink)) {
+            throw new Error("No foreign link for link {$link}.");
+        }
+
+        $builder = $this->injectableFactory->create(SelectBuilderFactory::class)
+            ->create()
+            ->forUser($this->user)
+            ->from($foreignEntityType);
+
+        if ($filter) {
+            (new FindQueryUtil())->applyFilter($builder, $filter, 3);
+        }
+
+        try {
+            $queryBuilder = $builder->buildQueryBuilder();
+        } catch (BadRequest|Forbidden $e) {
+            throw new Error($e->getMessage(), $e->getCode(), $e);
+        }
+
+        $queryBuilder->select([
+            [$foreignLinkAlias . '.id', 'foreignId'],
+            'SUM:' . $field,
+        ]);
+
+        if ($entity->getRelationType($link) === 'hasChildren') {
+            $queryBuilder
+                ->join(
+                    $entity->getEntityType(),
+                    $foreignLinkAlias,
+                    [
+                         $foreignLinkAlias . '.id:' => $foreignLink . 'Id',
+                        Attribute::DELETED => false,
+                        $foreignLinkAlias . '.id!=' => null,
+                    ]
+                )
+                ->where([
+                    $foreignLink . 'Type'  => $entity->getEntityType(),
+                ]);
+        } else {
+            $queryBuilder->join($foreignLink, $foreignLinkAlias);
+        }
+
+        $queryBuilder->where([
+            $foreignLinkAlias . '.id' => $entity->getId(),
+        ]);
+
+        if ($queryBuilder->build()->isDistinct()) {
+            // Use a sub-query to weed out duplicate rows.
+
+            $sqQueryBuilder = clone $queryBuilder;
+
+            $sqQueryBuilder
+                ->order([])
+                ->select([Attribute::ID]);
+
+            $queryBuilder->where([
+                'id=s' => $sqQueryBuilder->build(),
+            ]);
+        }
+
+        $queryBuilder->group($foreignLinkAlias . '.id');
+
+        $sth = $entityManager->getQueryExecutor()->execute($queryBuilder->build());
+
+        $rowList = $sth->fetchAll(PDO::FETCH_ASSOC);
+
+        if (empty($rowList)) {
+            return 0.0;
+        }
+
+        $stringValue = $rowList[0]['SUM:' . $field];
+
+        return floatval($stringValue);
+    }
+}

application/Espo/Core/Formula/Functions/EnvGroup/UserAttributeSafeType.php

@@ -0,0 +1,73 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EnvGroup;
+
+use Espo\Core\Formula\EvaluatedArgumentList;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\BadArgumentValue;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Func;
+use Espo\Entities\User;
+
+class UserAttributeSafeType implements Func
+{
+    /** @var string[] */
+    private array $allowedAttributeList = [
+        'id',
+        'userName',
+        'name',
+        'teamsIds',
+        'defaultTeamId',
+        'type',
+    ];
+
+    public function __construct(
+        private User $user
+    ) {}
+
+    public function process(EvaluatedArgumentList $arguments): mixed
+    {
+        if (count($arguments) < 1) {
+            throw TooFewArguments::create(1);
+        }
+
+        $attribute = $arguments[0];
+
+        if (!is_string($attribute)) {
+            throw BadArgumentType::create(1, 'string');
+        }
+
+        if (!in_array($attribute, $this->allowedAttributeList)) {
+            throw BadArgumentValue::create(1, "No allowed attribute.");
+        }
+
+        return $this->user->get($attribute);
+    }
+}

application/Espo/Core/Formula/Functions/EnvGroup/UserAttributeType.php

@@ -0,0 +1,69 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\EnvGroup;
+
+use Espo\Core\Formula\EvaluatedArgumentList;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Func;
+use Espo\Entities\User;
+
+class UserAttributeType implements Func
+{
+    /** @var string[] */
+    private array $forbiddenAttributeList = [
+        'password',
+        'apiKey',
+        'secretKey',
+    ];
+
+    public function __construct(
+        private User $user
+    ) {}
+
+    public function process(EvaluatedArgumentList $arguments): mixed
+    {
+        if (count($arguments) < 1) {
+            throw TooFewArguments::create(1);
+        }
+
+        $attribute = $arguments[0];
+
+        if (!is_string($attribute)) {
+            throw BadArgumentType::create(1, 'string');
+        }
+
+        if (in_array($attribute, $this->forbiddenAttributeList)) {
+            return null;
+        }
+
+        return $this->user->get($attribute);
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/AclGroup/CheckEntityType.php

@@ -0,0 +1,94 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\AclGroup;
+
+use Espo\Core\Acl\Table;
+use Espo\Core\Formula\EvaluatedArgumentList;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Func;
+use Espo\Core\Utils\Acl\UserAclManagerProvider;
+use Espo\Entities\User;
+use Espo\ORM\EntityManager;
+
+/**
+ * @noinspection PhpUnused
+ */
+class CheckEntityType implements Func
+{
+    public function __construct(
+        private UserAclManagerProvider $userAclManagerProvider,
+        private EntityManager $entityManager,
+    ) {}
+
+    public function process(EvaluatedArgumentList $arguments): bool
+    {
+        if (count($arguments) < 3) {
+            throw TooFewArguments::create(3);
+        }
+
+        $userId = $arguments[0];
+        $entityType = $arguments[1];
+        $id = $arguments[2];
+
+        /** @var Table::ACTION_*|null $action */
+        $action = $arguments[3] ?? Table::ACTION_READ;
+
+        if (!is_string($userId)) {
+            throw BadArgumentType::create(1, 'string');
+        }
+
+        if (!is_string($entityType)) {
+            throw BadArgumentType::create(2, 'string');
+        }
+
+        if (!is_string($id)) {
+            throw BadArgumentType::create(3, 'string');
+        }
+
+        if (!is_string($action)) {
+            throw BadArgumentType::create(4, 'string');
+        }
+
+        $user = $this->entityManager->getRDBRepositoryByClass(User::class)->getById($userId);
+
+        if (!$user) {
+            return false;
+        }
+
+        $entity = $this->entityManager->getEntityById($entityType, $id);
+
+        if (!$entity) {
+            return false;
+        }
+
+        return $this->userAclManagerProvider->get($user)->checkEntity($user, $entity, $action);
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/AclGroup/CheckScopeType.php

@@ -0,0 +1,80 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\AclGroup;
+
+use Espo\Core\Formula\EvaluatedArgumentList;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Func;
+use Espo\Core\Utils\Acl\UserAclManagerProvider;
+use Espo\Entities\User;
+use Espo\ORM\EntityManager;
+
+/**
+ * @noinspection PhpUnused
+ */
+class CheckScopeType implements Func
+{
+    public function __construct(
+        private UserAclManagerProvider $userAclManagerProvider,
+        private EntityManager $entityManager,
+    ) {}
+
+    public function process(EvaluatedArgumentList $arguments): bool
+    {
+        if (count($arguments) < 2) {
+            throw TooFewArguments::create(2);
+        }
+
+        $userId = $arguments[0];
+        $scope = $arguments[1];
+        $action = $arguments[2] ?? null;
+
+        if (!is_string($userId)) {
+            throw BadArgumentType::create(1, 'string');
+        }
+
+        if (!is_string($scope)) {
+            throw BadArgumentType::create(2, 'string');
+        }
+
+        if ($action !== null && !is_string($action)) {
+            throw BadArgumentType::create(3, 'string');
+        }
+
+        $user = $this->entityManager->getRDBRepositoryByClass(User::class)->getById($userId);
+
+        if (!$user) {
+            return false;
+        }
+
+        return $this->userAclManagerProvider->get($user)->checkScope($user, $scope, $action);
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/AclGroup/GetLevelType.php

@@ -0,0 +1,96 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\AclGroup;
+
+use Espo\Core\Acl\Table;
+use Espo\Core\Formula\EvaluatedArgumentList;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\BadArgumentValue;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Func;
+use Espo\Core\Utils\Acl\UserAclManagerProvider;
+use Espo\Entities\User;
+use Espo\ORM\EntityManager;
+
+/**
+ * @noinspection PhpUnused
+ */
+class GetLevelType implements Func
+{
+    public function __construct(
+        private UserAclManagerProvider $userAclManagerProvider,
+        private EntityManager $entityManager,
+    ) {}
+
+    public function process(EvaluatedArgumentList $arguments): string
+    {
+        if (count($arguments) < 3) {
+            throw TooFewArguments::create(3);
+        }
+
+        $userId = $arguments[0];
+        $scope = $arguments[1];
+        $action = $arguments[2];
+
+        if (!is_string($userId)) {
+            throw BadArgumentType::create(1, 'string');
+        }
+
+        if (!is_string($scope)) {
+            throw BadArgumentType::create(2, 'string');
+        }
+
+        if (!is_string($action)) {
+            throw BadArgumentType::create(3, 'string');
+        }
+
+        if (
+            !in_array($action, [
+                Table::ACTION_READ,
+                Table::ACTION_CREATE,
+                Table::ACTION_EDIT,
+                Table::ACTION_STREAM,
+                Table::ACTION_DELETE,
+            ])
+        ) {
+            throw BadArgumentValue::create(3);
+        }
+
+        /** @var Table::ACTION_* $action */
+
+        $user = $this->entityManager->getRDBRepositoryByClass(User::class)->getById($userId);
+
+        if (!$user) {
+            return Table::LEVEL_NO;
+        }
+
+        return $this->userAclManagerProvider->get($user)->getLevel($user, $scope, $action);
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/AclGroup/GetPermissionLevelType.php

@@ -0,0 +1,76 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\AclGroup;
+
+use Espo\Core\Acl\Table;
+use Espo\Core\Formula\EvaluatedArgumentList;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Func;
+use Espo\Core\Utils\Acl\UserAclManagerProvider;
+use Espo\Entities\User;
+use Espo\ORM\EntityManager;
+
+/**
+ * @noinspection PhpUnused
+ */
+class GetPermissionLevelType implements Func
+{
+    public function __construct(
+        private UserAclManagerProvider $userAclManagerProvider,
+        private EntityManager $entityManager,
+    ) {}
+
+    public function process(EvaluatedArgumentList $arguments): string
+    {
+        if (count($arguments) < 2) {
+            throw TooFewArguments::create(2);
+        }
+
+        $userId = $arguments[0];
+        $permission = $arguments[1];
+
+        if (!is_string($userId)) {
+            throw BadArgumentType::create(1, 'string');
+        }
+
+        if (!is_string($permission)) {
+            throw BadArgumentType::create(2, 'string');
+        }
+
+        $user = $this->entityManager->getRDBRepositoryByClass(User::class)->getById($userId);
+
+        if (!$user) {
+            return Table::LEVEL_NO;
+        }
+
+        return $this->userAclManagerProvider->get($user)->getPermissionLevel($user, $permission);
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/CurrencyGroup/ConvertType.php

@@ -0,0 +1,81 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\CurrencyGroup;
+
+use Espo\Core\Currency\ConfigDataProvider;
+use Espo\Core\Currency\Converter;
+use Espo\Core\Field\Currency;
+use Espo\Core\Formula\EvaluatedArgumentList;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Func;
+
+class ConvertType implements Func
+{
+    public function __construct(
+        private ConfigDataProvider $configDataProvider,
+        private Converter $converter
+    ) {}
+
+    public function process(EvaluatedArgumentList $arguments): string
+    {
+        if (count($arguments) < 2) {
+            throw TooFewArguments::create(2);
+        }
+
+        $amount = $arguments[0];
+        $fromCode = $arguments[1];
+        $toCode = $arguments[2] ?? $this->configDataProvider->getDefaultCurrency();
+
+        if (
+            !is_string($amount) &&
+            !is_int($amount) &&
+            !is_float($amount)
+        ) {
+            throw BadArgumentType::create(1, 'int|float|string');
+        }
+
+        if (!is_string($fromCode)) {
+            throw BadArgumentType::create(2, 'string');
+        }
+
+        if (!is_string($toCode)) {
+            throw BadArgumentType::create(3, 'string');
+        }
+
+        assert(is_numeric($amount));
+
+        $value = Currency::create($amount, $fromCode);
+
+        $convertedValue = $this->converter->convert($value, $toCode);
+
+        return $convertedValue->getAmountAsString();
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/EmailGroup/ApplyTemplateType.php

@@ -0,0 +1,152 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\EmailGroup;
+
+use Espo\Core\Utils\SystemUser;
+use Espo\Entities\Email;
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Formula\Functions\BaseFunction;
+use Espo\Core\Di;
+use Espo\Entities\EmailTemplate;
+use Espo\Tools\EmailTemplate\Data;
+use Espo\Tools\EmailTemplate\Params;
+use Espo\Tools\EmailTemplate\Processor;
+
+class ApplyTemplateType extends BaseFunction implements
+
+    Di\EntityManagerAware,
+    Di\InjectableFactoryAware
+{
+    use Di\EntityManagerSetter;
+    use Di\InjectableFactorySetter;
+
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 2) {
+            $this->throwTooFewArguments(2);
+        }
+
+        $args = $this->evaluate($args);
+
+        $id = $args[0];
+        $templateId = $args[1];
+        $parentType = $args[2] ?? null;
+        $parentId = $args[3] ?? null;
+
+        if (!$id || !is_string($id)) {
+            $this->throwBadArgumentType(1, 'string');
+        }
+
+        if (!$templateId || !is_string($templateId)) {
+            $this->throwBadArgumentType(2, 'string');
+        }
+
+        if ($parentType && !is_string($parentType)) {
+            $this->throwBadArgumentType(3, 'string');
+        }
+
+        if ($parentId && !is_string($parentId)) {
+            $this->throwBadArgumentType(4, 'string');
+        }
+
+        $em = $this->entityManager;
+
+        /** @var ?Email $email */
+        $email = $em->getEntityById(Email::ENTITY_TYPE, $id);
+        /** @var ?EmailTemplate $emailTemplate */
+        $emailTemplate = $em->getEntityById(EmailTemplate::ENTITY_TYPE, $templateId);
+
+        if (!$email) {
+            $this->log("Email {$id} does not exist.");
+
+            return false;
+        }
+
+        if (!$emailTemplate) {
+            $this->log("EmailTemplate {$templateId} does not exist.");
+
+            return false;
+        }
+
+        $status = $email->getStatus();
+
+        if ($status && $status === Email::STATUS_SENT) {
+            $this->log("Can't apply template to email with 'Sent' status.");
+
+            return false;
+        }
+
+        $processor = $this->injectableFactory->create(Processor::class);
+
+        $params = Params::create()
+            ->withCopyAttachments(true)
+            ->withApplyAcl(false);
+
+        $data = Data::create();
+
+        if (!$parentType || !$parentId) {
+            $parentType = $email->getParentType();
+            $parentId = $email->getParentId();
+        }
+
+        if ($parentType && $parentId) {
+            $data = $data
+                ->withParentId($parentId)
+                ->withParentType($parentType);
+        }
+
+        $data = $data->withEmailAddress(
+            $email->getToAddressList()[0] ?? null
+        );
+
+        $emailData = $processor->process($emailTemplate, $params, $data);
+
+        $attachmentsIdList = $email->getLinkMultipleIdList('attachments');
+
+        $attachmentsIdList = array_merge(
+            $attachmentsIdList,
+            $emailData->getAttachmentIdList()
+        );
+
+        $email
+            ->setSubject($emailData->getSubject())
+            ->setBody($emailData->getBody())
+            ->setIsHtml($emailData->isHtml())
+            ->setAttachmentIdList($attachmentsIdList);
+
+        $systemUserId = $this->injectableFactory->create(SystemUser::class)->getId();
+
+        $em->saveEntity($email, [
+            'modifiedById' => $systemUserId,
+        ]);
+
+        return true;
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/EmailGroup/SendType.php

@@ -0,0 +1,136 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\EmailGroup;
+
+use Espo\Core\ApplicationUser;
+use Espo\Core\Mail\ConfigDataProvider;
+use Espo\Core\ORM\Repository\Option\SaveOption;
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Formula\Functions\BaseFunction;
+use Espo\Core\Utils\SystemUser;
+use Espo\Entities\Email;
+use Espo\Tools\Email\SendService;
+
+use Espo\Core\Di;
+
+use Exception;
+
+class SendType extends BaseFunction implements
+    Di\EntityManagerAware,
+    Di\ServiceFactoryAware,
+    Di\ConfigAware,
+    Di\InjectableFactoryAware
+{
+    use Di\EntityManagerSetter;
+    use Di\ServiceFactorySetter;
+    use Di\ConfigSetter;
+    use Di\InjectableFactorySetter;
+
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 1) {
+            $this->throwTooFewArguments(1);
+        }
+
+        $args = $this->evaluate($args);
+
+        $id = $args[0];
+
+        if (!$id || !is_string($id)) {
+            $this->throwBadArgumentType(1, 'string');
+        }
+
+        $em = $this->entityManager;
+
+        /** @var ?Email $email */
+        $email = $em->getEntityById(Email::ENTITY_TYPE, $id);
+
+        if (!$email) {
+            $this->log("Email '{$id}' does not exist.");
+
+            return false;
+        }
+
+        $status = $email->getStatus();
+
+        if ($status === Email::STATUS_SENT) {
+            $this->log("Can't send email that has 'Sent' status.");
+
+            return false;
+        }
+
+        /** @var \Espo\Services\Email $service */
+        $service = $this->serviceFactory->create(Email::ENTITY_TYPE);
+
+        $service->loadAdditionalFields($email);
+
+        $toSave = false;
+
+        if ($status !== Email::STATUS_SENDING) {
+            $email->set('status', Email::STATUS_SENDING);
+
+            $toSave = true;
+        }
+
+        if (!$email->get('from')) {
+            $from = $this->injectableFactory
+                ->create(ConfigDataProvider::class)
+                ->getSystemOutboundAddress();
+
+            if ($from) {
+                $email->set('from', $from);
+
+                $toSave = true;
+            }
+        }
+
+        $systemUserId = $this->injectableFactory->create(SystemUser::class)->getId();
+
+        if ($toSave) {
+            $em->saveEntity($email, [
+                SaveOption::SILENT => true,
+                SaveOption::MODIFIED_BY_ID => $systemUserId,
+            ]);
+        }
+
+        $sendService = $this->injectableFactory->create(SendService::class);
+
+        try {
+            $sendService->send($email);
+        } catch (Exception $e) {
+            $message = $e->getMessage();
+            $this->log("Error while sending. Message: {$message}." , 'error');
+
+            return false;
+        }
+
+        return true;
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/MarkdownGroup/TransformType.php

@@ -0,0 +1,57 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\MarkdownGroup;
+
+use Espo\Core\Formula\EvaluatedArgumentList;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Func;
+use Michelf\Markdown;
+
+/**
+ * @noinspection PhpUnused
+ */
+class TransformType implements Func
+{
+    public function process(EvaluatedArgumentList $arguments): string
+    {
+        if (count($arguments) < 1) {
+            throw TooFewArguments::create(1);
+        }
+
+        $string = $arguments[0] ?? '';
+
+        if (!is_string($string)) {
+            throw BadArgumentType::create(1, 'string');
+        }
+
+        return Markdown::defaultTransform($string);
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/OauthGroup/GetAccessTokenType.php

@@ -0,0 +1,80 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\OauthGroup;
+
+use Espo\Core\Formula\EvaluatedArgumentList;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Func;
+use Espo\Tools\OAuth\Exceptions\AccountNotFound;
+use Espo\Tools\OAuth\Exceptions\NoToken;
+use Espo\Tools\OAuth\Exceptions\ProviderNotAvailable;
+use Espo\Tools\OAuth\Exceptions\TokenObtainingFailure;
+use Espo\Tools\OAuth\TokensProvider;
+
+/**
+ * @noinspection PhpUnused
+ */
+class GetAccessTokenType implements Func
+{
+    public function __construct(
+        private TokensProvider $provider,
+    ) {}
+
+    public function process(EvaluatedArgumentList $arguments): string
+    {
+        if (count($arguments) < 1) {
+            throw TooFewArguments::create(1);
+        }
+
+        $id = $arguments[0];
+
+        if (!is_string($id)) {
+            throw BadArgumentType::create(1, 'string');
+        }
+
+        try {
+            $tokens = $this->provider->get($arguments[0]);
+        } catch (AccountNotFound|NoToken|ProviderNotAvailable|TokenObtainingFailure $e) {
+            $message = "Could not obtain access token for OAuth account $id.";
+
+            throw new Error($message, 500, $e);
+        }
+
+        $accessToken = $tokens->getAccessToken();
+
+        if (!$accessToken) {
+            throw new Error("No access token.");
+        }
+
+        return $accessToken;
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/PdfGroup/GenerateType.php

@@ -0,0 +1,150 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\PdfGroup;
+
+use Espo\Core\Field\LinkParent;
+use Espo\Core\Name\Field;
+use Espo\Entities\Attachment;
+use Espo\Entities\Template;
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\Core\Formula\Functions\BaseFunction;
+use Espo\Core\Utils\Util;
+use Espo\Tools\Pdf\Params;
+use Espo\Core\Di;
+
+use Espo\Tools\Pdf\Service;
+use Exception;
+
+class GenerateType extends BaseFunction implements
+    Di\EntityManagerAware,
+    Di\InjectableFactoryAware,
+    Di\FileStorageManagerAware
+{
+    use Di\EntityManagerSetter;
+    use Di\InjectableFactorySetter;
+    use Di\FileStorageManagerSetter;
+
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 3) {
+            $this->throwTooFewArguments(3);
+        }
+
+        $args = $this->evaluate($args);
+
+        $entityType = $args[0];
+        $id = $args[1];
+        $templateId = $args[2];
+        $fileName = $args[3];
+
+        if (!$entityType || !is_string($entityType)) {
+            $this->throwBadArgumentType(1, 'string');
+        }
+
+        if (!$id || !is_string($id)) {
+            $this->throwBadArgumentType(2, 'string');
+        }
+
+        if (!$templateId || !is_string($templateId)) {
+            $this->throwBadArgumentType(3, 'string');
+        }
+
+        if ($fileName && !is_string($fileName)) {
+            $this->throwBadArgumentType(4, 'string');
+        }
+
+        $em = $this->entityManager;
+
+        try {
+            $entity = $em->getEntityById($entityType, $id);
+        } catch (Exception $e) {
+            $this->log("Message: " . $e->getMessage() . ".");
+
+            throw new Error();
+        }
+
+        if (!$entity) {
+            $this->log("Record {$entityType} {$id} does not exist.");
+
+            throw new Error();
+        }
+
+        /** @var ?Template $template */
+        $template = $em->getEntityById(Template::ENTITY_TYPE, $templateId);
+
+        if (!$template) {
+            $this->log("Template {$templateId} does not exist.");
+
+            throw new Error();
+        }
+
+        if ($fileName) {
+            if (!str_ends_with($fileName, '.pdf')) {
+                $fileName .= '.pdf';
+            }
+        } else {
+            $fileName = Util::sanitizeFileName($entity->get(Field::NAME)) . '.pdf';
+        }
+
+        $params = Params::create()->withAcl(false);
+
+        try {
+            $service = $this->injectableFactory->create(Service::class);
+
+            $contents = $service->generate(
+                $entity->getEntityType(),
+                $entity->getId(),
+                $template->getId(),
+                $params
+            );
+        } catch (Exception $e) {
+            $this->log("Error while generating. Message: " . $e->getMessage() . ".", 'error');
+
+            throw new Error();
+        }
+
+        /** @var Attachment $attachment */
+        $attachment = $em->getNewEntity(Attachment::ENTITY_TYPE);
+
+        $attachment
+            ->setName($fileName)
+            ->setType('application/pdf')
+            ->setSize($contents->getStream()->getSize())
+            ->setRelated(LinkParent::create($entityType, $id))
+            ->setRole(Attachment::ROLE_ATTACHMENT);
+
+        $em->saveEntity($attachment);
+
+        $this->fileStorageManager->putStream($attachment, $contents->getStream());
+
+        return $attachment->getId();
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/SecretGroup/GetType.php

@@ -0,0 +1,67 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\SecretGroup;
+
+use Espo\Core\Formula\EvaluatedArgumentList;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\Core\Formula\Exceptions\TooFewArguments;
+use Espo\Core\Formula\Func;
+use Espo\Tools\AppSecret\SecretProvider;
+
+/**
+ * @noinspection PhpUnused
+ */
+class GetType implements Func
+{
+    public function __construct(private SecretProvider $secretProvider)
+    {}
+
+    public function process(EvaluatedArgumentList $arguments): string
+    {
+        if (count($arguments) < 1) {
+            throw TooFewArguments::create(1);
+        }
+
+        $string = $arguments[0];
+
+        if (!is_string($string)) {
+            throw BadArgumentType::create(1, 'string');
+        }
+
+        $secret = $this->secretProvider->get($string);
+
+        if ($secret === null) {
+            throw new Error("No secret '$string'.");
+        }
+
+        return $secret;
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/SmsGroup/SendType.php

@@ -0,0 +1,101 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\SmsGroup;
+
+use Espo\Core\Formula\Functions\BaseFunction;
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Sms\SmsSender;
+use Espo\Entities\Sms;
+
+use Espo\Core\Di;
+
+use Exception;
+
+class SendType extends BaseFunction implements
+
+    Di\EntityManagerAware,
+    Di\InjectableFactoryAware
+{
+    use Di\EntityManagerSetter;
+    use Di\InjectableFactorySetter;
+
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 1) {
+            $this->throwTooFewArguments(1);
+        }
+
+        $evaluatedArgs = $this->evaluate($args);
+
+        $id = $evaluatedArgs[0];
+
+        if (!$id || !is_string($id)) {
+            $this->throwBadArgumentType(1, 'string');
+        }
+
+        /** @var Sms|null $sms */
+        $sms = $this->entityManager->getEntityById(Sms::ENTITY_TYPE, $id);
+
+        if (!$sms) {
+            $this->log("Sms '{$id}' does not exist.");
+
+            return false;
+        }
+
+        if ($sms->getStatus() === Sms::STATUS_SENT) {
+            $this->log("Can't send SMS that has 'Sent' status.");
+
+            return false;
+        }
+
+        try {
+            $this->createSender()->send($sms);
+
+            $this->entityManager->saveEntity($sms);
+        } catch (Exception $e) {
+            $message = $e->getMessage();
+
+            $this->log("Error while sending SMS. Message: {$message}." , 'error');
+
+            $sms->setStatus(Sms::STATUS_FAILED);
+
+            $this->entityManager->saveEntity($sms);
+
+            return false;
+        }
+
+        return true;
+    }
+
+    private function createSender(): SmsSender
+    {
+        return $this->injectableFactory->create(SmsSender::class);
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/UserGroup/SendAccessInfoType.php

@@ -0,0 +1,86 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\UserGroup;
+
+use Espo\Core\Formula\Functions\BaseFunction;
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Job\JobSchedulerFactory;
+
+use Espo\Tools\UserSecurity\Password\Jobs\SendAccessInfo as SendAccessInfoJob;
+use Espo\Core\Job\Job\Data as JobData;
+
+use Espo\Entities\User;
+
+use Espo\Core\Di;
+
+class SendAccessInfoType extends BaseFunction implements
+
+    Di\EntityManagerAware,
+    Di\InjectableFactoryAware
+{
+    use Di\EntityManagerSetter;
+    use Di\InjectableFactorySetter;
+
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 1) {
+            $this->throwTooFewArguments(1);
+        }
+
+        $evaluatedArgs = $this->evaluate($args);
+
+        $userId = $evaluatedArgs[0];
+
+        if (!$userId || !is_string($userId)) {
+            $this->throwBadArgumentType(1, 'string');
+        }
+
+        $user = $this->entityManager->getEntityById(User::ENTITY_TYPE, $userId);
+
+        if (!$user) {
+            $this->log("User '$userId' does not exist.");
+
+            return;
+        }
+
+        $this->createJobScheduledFactory()
+            ->create()
+            ->setClassName(SendAccessInfoJob::class)
+            ->setData(
+                JobData::create()->withTargetId($user->getId())
+            )
+            ->schedule();
+    }
+
+    private function createJobScheduledFactory(): JobSchedulerFactory
+    {
+        return $this->injectableFactory->create(JobSchedulerFactory::class);
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/WorkingTimeGroup/AddWorkingDaysType.php

@@ -0,0 +1,91 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\WorkingTimeGroup;
+
+use Espo\Core\Field\DateTime;
+use Espo\Core\Field\DateTimeOptional;
+use Espo\Core\Formula\ArgumentList;
+use Espo\Core\Utils\DateTime as DateTimeUtil;
+
+class AddWorkingDaysType extends Base
+{
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 2) {
+            $this->throwTooFewArguments(2);
+        }
+
+        /** @var mixed[] $evaluatedArgs */
+        $evaluatedArgs = $this->evaluate($args);
+
+        $stringValue = $evaluatedArgs[0];
+        $days = $evaluatedArgs[1];
+
+        if (!is_string($stringValue)) {
+            $this->throwBadArgumentType(1, 'string');
+        }
+
+        if (!is_int($days) && !is_float($days)) {
+            $this->throwBadArgumentType(2, 'int');
+        }
+
+        if (is_float($days)) {
+            $days = (int) $days;
+        }
+
+        if ($days <= 0) {
+            $this->throwBadArgumentValue(2, 'Days value should be greater than 0.');
+        }
+
+        $calendar = $this->createCalendar($evaluatedArgs, 2);
+
+        $dateTime = DateTimeOptional::fromString($stringValue);
+
+        $isAllDay = $dateTime->isAllDay();
+
+        if ($isAllDay) {
+            $dateTime = $dateTime->withTimezone($calendar->getTimezone());
+        }
+
+        $dateTime = DateTime::fromDateTime($dateTime->toDateTime());
+
+        $result = $this->createCalendarUtility($calendar)->addWorkingDays($dateTime, $days);
+
+        if (!$result) {
+            return null;
+        }
+
+        if ($isAllDay) {
+            return $result->toDateTime()->format(DateTimeUtil::SYSTEM_DATE_FORMAT);
+        }
+
+        return $result->toString();
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/WorkingTimeGroup/Base.php

@@ -0,0 +1,126 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\WorkingTimeGroup;
+
+use Espo\Core\Binding\BindingContainerBuilder;
+use Espo\Core\Formula\Exceptions\BadArgumentType;
+use Espo\Core\Formula\Exceptions\BadArgumentValue;
+use Espo\Core\Formula\Exceptions\Error;
+use Espo\Core\Formula\Functions\BaseFunction;
+
+use Espo\Entities\Team;
+use Espo\Entities\User;
+
+use Espo\Core\Di;
+use Espo\ORM\Entity;
+use Espo\Tools\WorkingTime\Calendar;
+use Espo\Tools\WorkingTime\CalendarFactory;
+use Espo\Tools\WorkingTime\CalendarUtility;
+
+abstract class Base extends BaseFunction implements
+
+    Di\EntityManagerAware,
+    Di\InjectableFactoryAware
+{
+    use Di\EntityManagerSetter;
+    use Di\InjectableFactorySetter;
+
+    private function getCalendarFactory(): CalendarFactory
+    {
+        return $this->injectableFactory->create(CalendarFactory::class);
+    }
+
+    protected function createCalendarUtility(Calendar $calendar): CalendarUtility
+    {
+        return $this->injectableFactory->createWithBinding(
+            CalendarUtility::class,
+            BindingContainerBuilder::create()
+                ->bindInstance(Calendar::class, $calendar)
+                ->build()
+        );
+    }
+
+    /**
+     * @param mixed[] $evaluatedArgs
+     * @throws BadArgumentType
+     * @throws BadArgumentValue
+     * @throws Error
+     */
+    protected function createCalendar(array $evaluatedArgs, int $argumentPosition = 1): Calendar
+    {
+        $target = $this->obtainTarget($evaluatedArgs, $argumentPosition);
+
+        if ($target instanceof User) {
+            return $this->getCalendarFactory()->createForUser($target);
+        }
+
+        if ($target instanceof Team) {
+            return $this->getCalendarFactory()->createForTeam($target);
+        }
+
+        return $this->getCalendarFactory()->createGlobal();
+    }
+
+    /**
+     * @param mixed[] $evaluatedArgs
+     * @throws BadArgumentType
+     * @throws BadArgumentValue
+     * @throws Error
+     */
+    private function obtainTarget(array $evaluatedArgs, int $argumentPosition = 1): ?Entity
+    {
+        if (count($evaluatedArgs) < $argumentPosition + 2) {
+            return null;
+        }
+
+        $entityType = $evaluatedArgs[$argumentPosition];
+        $entityId = $evaluatedArgs[$argumentPosition + 1];
+
+        if (!is_string($entityType)) {
+            $this->throwBadArgumentType($argumentPosition + 1, 'string');
+        }
+
+        if (!is_string($entityId)) {
+            $this->throwBadArgumentType($argumentPosition + 2, 'string');
+        }
+
+        if (!in_array($entityType, [User::ENTITY_TYPE, Team::ENTITY_TYPE])) {
+            $this->throwBadArgumentValue($argumentPosition + 1);
+        }
+
+        $entity = $this->entityManager->getEntityById($entityType, $entityId);
+
+        if (!$entity) {
+            $this->throwError("Entity {$entityType} {$entityId} not found.");
+        }
+
+        return $entity;
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/WorkingTimeGroup/FindClosestWorkingTimeType.php

@@ -0,0 +1,71 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\WorkingTimeGroup;
+
+use Espo\Core\Field\DateTime;
+use Espo\Core\Field\DateTimeOptional;
+use Espo\Core\Formula\ArgumentList;
+
+class FindClosestWorkingTimeType extends Base
+{
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 1) {
+            $this->throwTooFewArguments(1);
+        }
+
+        /** @var mixed[] $evaluatedArgs */
+        $evaluatedArgs = $this->evaluate($args);
+
+        $stringValue = $evaluatedArgs[0];
+
+        if (!is_string($stringValue)) {
+            $this->throwBadArgumentType(1, 'string');
+        }
+
+        $calendar = $this->createCalendar($evaluatedArgs);
+
+        $dateTime = DateTimeOptional::fromString($stringValue);
+
+        if ($dateTime->isAllDay()) {
+            $dateTime = $dateTime->withTimezone($calendar->getTimezone());
+        }
+
+        $dateTime = DateTime::fromDateTime($dateTime->getDateTime());
+
+        $result = $this->createCalendarUtility($calendar)->findClosestWorkingTime($dateTime);
+
+        if (!$result) {
+            return null;
+        }
+
+        return $result->toString();
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/WorkingTimeGroup/GetSummedWorkingHoursType.php

@@ -0,0 +1,76 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\WorkingTimeGroup;
+
+use Espo\Core\Field\DateTime;
+use Espo\Core\Field\DateTimeOptional;
+use Espo\Core\Formula\ArgumentList;
+
+class GetSummedWorkingHoursType extends Base
+{
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 2) {
+            $this->throwTooFewArguments(2);
+        }
+
+        /** @var mixed[] $evaluatedArgs */
+        $evaluatedArgs = $this->evaluate($args);
+
+        $stringValue1 = $evaluatedArgs[0];
+        $stringValue2 = $evaluatedArgs[1];
+
+        if (!is_string($stringValue1)) {
+            $this->throwBadArgumentType(1, 'string');
+        }
+
+        if (!is_string($stringValue2)) {
+            $this->throwBadArgumentType(2, 'string');
+        }
+
+        $calendar = $this->createCalendar($evaluatedArgs, 2);
+
+        $dateTime1 = DateTimeOptional::fromString($stringValue1);
+        $dateTime2 = DateTimeOptional::fromString($stringValue2);
+
+        if ($dateTime1->isAllDay()) {
+            $dateTime1 = $dateTime1->withTimezone($calendar->getTimezone());
+        }
+
+        if ($dateTime2->isAllDay()) {
+            $dateTime2 = $dateTime2->withTimezone($calendar->getTimezone());
+        }
+
+        $dateTime1 = DateTime::fromDateTime($dateTime1->getDateTime());
+        $dateTime2 = DateTime::fromDateTime($dateTime2->getDateTime());
+
+        return $this->createCalendarUtility($calendar)->getSummedWorkingHours($dateTime1, $dateTime2);
+    }
+}

application/Espo/Core/Formula/Functions/ExtGroup/WorkingTimeGroup/GetWorkingDaysType.php

@@ -0,0 +1,76 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Formula\Functions\ExtGroup\WorkingTimeGroup;
+
+use Espo\Core\Field\DateTime;
+use Espo\Core\Field\DateTimeOptional;
+use Espo\Core\Formula\ArgumentList;
+
+class GetWorkingDaysType extends Base
+{
+    public function process(ArgumentList $args)
+    {
+        if (count($args) < 2) {
+            $this->throwTooFewArguments(2);
+        }
+
+        /** @var mixed[] $evaluatedArgs */
+        $evaluatedArgs = $this->evaluate($args);
+
+        $stringValue1 = $evaluatedArgs[0];
+        $stringValue2 = $evaluatedArgs[1];
+
+        if (!is_string($stringValue1)) {
+            $this->throwBadArgumentType(1, 'string');
+        }
+
+        if (!is_string($stringValue2)) {
+            $this->throwBadArgumentType(2, 'string');
+        }
+
+        $calendar = $this->createCalendar($evaluatedArgs, 2);
+
+        $dateTime1 = DateTimeOptional::fromString($stringValue1);
+        $dateTime2 = DateTimeOptional::fromString($stringValue2);
+
+        if ($dateTime1->isAllDay()) {
+            $dateTime1 = $dateTime1->withTimezone($calendar->getTimezone());
+        }
+
+        if ($dateTime2->isAllDay()) {
+            $dateTime2 = $dateTime2->withTimezone($calendar->getTimezone());
+        }
+
+        $dateTime1 = DateTime::fromDateTime($dateTime1->getDateTime());
+        $dateTime2 = DateTime::fromDateTime($dateTime2->getDateTime());
+
+        return $this->createCalendarUtility($calendar)->getWorkingDays($dateTime1, $dateTime2);
+    }
+}