introducing junction table extension

custom/Espo/Custom/Resources/metadata/entityDefs/CAICollectionCDokumente.json

@@ -0,0 +1,65 @@
+{
+    "fields": {
+        "id": {
+            "type": "id",
+            "dbType": "bigint",
+            "autoincrement": true,
+            "notStorable": false
+        },
+        "cAICollections": {
+            "type": "link"
+        },
+        "cAICollectionsId": {
+            "type": "varchar",
+            "len": 17,
+            "index": true
+        },
+        "cAICollectionsName": {
+            "type": "varchar",
+            "notStorable": true,
+            "relation": "cAICollections",
+            "isLinkStub": true
+        },
+        "cDokumente": {
+            "type": "link"
+        },
+        "cDokumenteId": {
+            "type": "varchar",
+            "len": 17,
+            "index": true
+        },
+        "cDokumenteName": {
+            "type": "varchar",
+            "notStorable": true,
+            "relation": "cDokumente",
+            "isLinkStub": true
+        },
+        "syncId": {
+            "type": "varchar",
+            "len": 255,
+            "isCustom": true
+        },
+        "deleted": {
+            "type": "bool",
+            "default": false
+        }
+    },
+    "links": {
+        "cAICollections": {
+            "type": "belongsTo",
+            "entity": "CAICollections",
+            "key": "cAICollectionsId",
+            "foreignKey": "id"
+        },
+        "cDokumente": {
+            "type": "belongsTo",
+            "entity": "CDokumente",
+            "key": "cDokumenteId",
+            "foreignKey": "id"
+        }
+    },
+    "collection": {
+        "orderBy": "id",
+        "order": "desc"
+    }
+}

custom/Espo/Custom/Resources/metadata/entityDefs/CAICollections.json

@@ -75,6 +75,14 @@
             "entity": "Email",
             "foreign": "parent",
             "layoutRelationshipsDisabled": true
+        },
+        "cDokumente": {
+            "type": "hasMany",
+            "entity": "CDokumente",
+            "foreign": "cAICollections",
+            "relationName": "cAICollectionCDokumente",
+            "audited": false,
+            "isCustom": true
         }
     },
     "collection": {

custom/Espo/Custom/Resources/metadata/entityDefs/CDokumente.json

@@ -263,6 +263,20 @@
             "entity": "CMietobjekt",
             "audited": false,
             "isCustom": true
+        },
+        "cAICollections": {
+            "type": "hasMany",
+            "entity": "CAICollections",
+            "foreign": "cDokumente",
+            "relationName": "cAICollectionCDokumente",
+            "additionalColumns": {
+                "syncId": {
+                    "type": "varchar",
+                    "len": 255
+                }
+            },
+            "audited": false,
+            "isCustom": true
         }
     },
     "collection": {