Resources for DevelopersOld REST APIAdministration REST APICustom FieldsPrototypesDELETE PrototypeDELETE PrototypeLast modified: 17 December 2019 DELETE /admin/customfield/field/{customFieldName} Delete custom field prototype. DELETE /rest/admin/customfield/field/{customFieldName} Parameters: Name Type Description customFieldName string Name of a custom field to delete. Sample Request: DELETE /rest/admin/customfield/field/Region Response: Custom field prototype [ Region ] deleted.