Custom field in "cmdb_ci_service_discovered" table does not apper in Application Services formIssue You have created custom fields and cmdb_ci_service_discovered table and you have tried to add the same fields in Application Service form.ReleaseAll release up to current Quebec release.CauseThis is expected and out-of-the-box behaviour. Application Service form is generated via UI Page and the fields are populated via REST calls. The form is not configurable via the option "Configure Form Layout" as with other forms. ResolutionThe Application Service form is not configurable. You can however create a custom module with link type "List of Records" and from there access and modify the form. Please see our documentation via this link on how to "Create a module".