This is used to modify the metadata associated with a file attachment.
File attachments
public String ucUploadDeleteObject ( SesameSession session,
Connection dbconn,
String uploadObjectType,
Object uploadObject ) throws Exception ;
The user custom exit ucDeleteAttachment is not invoked with cloud upload objects. The string returned by these methods is an error message that will alert the user in the edit/delete screen; null for successful transaction. For more information, please see here.