3.1.1.2 Per Messaging Object
Messaging objects are represented by the MessagingObject ADM type. The following ADM elements are maintained by the client for each MessagingObject ADM type:
MessagingObject.Mid: An identifier for a Mailbox.MessagingObject ADM type that is a Message or Attachment object, as specified in section 2.2.1.2.1.
MessagingObject.FolderId: An identifier for a Mailbox.MessagingObject ADM type that is a Folder object, as specified in section 2.2.1.2.2.
MessagingObject.ParentFolderId: An identifier for a Mailbox.MessagingObject ADM type that is a Folder object containing another Folder object, as specified in section 2.2.1.2.4.
MessagingObject.ChangeNumber: An identifier for a version of a Mailbox.MessagingObject ADM type, as specified in section 2.2.1.2.3.