2.2.3.3.1 PidTagMessageClass Property

Type: PtypString ([MS-OXCDATA] section 2.11.1)

The PidTagMessageClass property ([MS-OXCMSG] section 2.2.1.3) specifies the type of the Message object. The value is one of the following strings and is case-insensitive.

String

Type of task communication

"IPM.TaskRequest"

Task request

"IPM.TaskRequest.Accept"

Task acceptance

"IPM.TaskRequest.Decline"

Task rejection

"IPM.TaskRequest.Update"

Task update