PUT Prototype
PUT /admin/customfield/field/{customFieldName}
Create new custom field prototype
PUT /rest/admin/customfield/field/{customFieldName}?{typeName}&{isPrivate}&{defaultVisibility}&{autoAttached}Sample
PUT /rest/admin/customfield/field/Region?typeName=enum[*]&isPrivate=false&defaultVisibility=true&autoAttached=falsexml<customFieldPrototypeRef name="Region" url="http://youtrack.jetbrains.net/rest/admin/customfield/field/Region"/>Last modified: 2 February 2017