3.2.5.2.2.1 Sending a New Presentation Message
The structure and fields of the New Presentation message are specified in section 2.2.5.2.1.
This message MUST be sent for all distinct presentations. The PresentationId field of the message MUST be set to a unique GUID. The PlatformCookie field MUST be set to indicate the server’s preference of the platform to be used on the client.