3.2.3.4 Message Processing Events and Sequencing Rules
An AsyncUI client MUST specify a notification type identifier value AsyncPrintNotificationType_AsyncUI (section 2.2.1) when registering for, requesting, or responding to notifications or response data, using the methods of the Print System Asynchronous Notification Protocol.
The AsyncUI-specific syntax and behavior for each method specified in section 3.1.3.4.
There is no AsyncUI-specific syntax or behavior for the IRPCRemoteObject interface methods described in section 3.1.2.4.
The sections that follow specify the processing of AsyncUI notifications that are delivered to a client from a printer driver using this protocol.