Resources for DevelopersOld REST APIAdministration REST APIProjectProject Custom FieldsGET Project Custom FieldsGET Project Custom FieldsLast modified: 17 December 2019 GET /admin/project/{projectId}/customfield Get custom fields used in a project. GET /rest/admin/project/{projectId}/customfield Parameters: Name Type Description projectId projectByIdNotStrict ID of a project to get custom fields. Sample Request: GET /rest/admin/project/CMN/customfield Response: <projectCustomFieldRefs> <projectCustomField name="Timespan" url="http://youtrack.jetbrains.net/rest/admin/project/CMN/customfield/Plan"/> <projectCustomField name="Region" url="http://youtrack.jetbrains.net/rest/admin/project/CMN/customfield/Region"/> </projectCustomFieldRefs>