Free fields
Free fieldsFree fieldOne of the unmapped fields on jobs, tasks and appointments that a back office can fill with its own data, each with a localizable caption. are unmapped fields that you can link custom fields to.
The captionCaptionThe label shown for a field or entity in the interface, translatable per language. A tenant that calls jobs "projects" changes the caption, not the data model. can be changed through the captions localization system. Either use the GUI and look for the corresponding field of the corresponding source table for the 'DATABASEFIELD' context, or use the API.