This endpoint allows to get task custom fields
If you want to update Task Custom Field values using POST method you need to fill information for guid field or systemId field in request body.
1// Returned when successful 2{3"next_page":0,4"items":[5{6"title":"",7"type":0,8"required":false,9"visible":false,10"data":"",11"guid":"",12"created":"",13"updated":"",14"deleted":false15}16]17}