espocrm/application/Espo/Modules/Crm/Resources/layouts/CampaignTrackingUrl/detailSmall.json

[
    {
        "rows": [
            [
                {"name": "name"}
            ],
            [
                {"name": "action"}
            ],
            [
                {"name": "url"}
            ],
            [
                {"name": "message"}
            ],
            [
                {"name": "urlToUse"}
            ]
        ]
    }
]