Provisioning - Perform Mail Runs
Mail runs are used to send messages to subscriber devices. The messages can be displayed in the set-top box (STB) mailbox or directly on the screen (once or repeatedly).
Messages can be scheduled to appear as soon as they are sent or at a specific time.
The process run does not create the messages; the messages are created in the system as communications (through notifications) and remain 'Pending' in the communication queue until the mail run is executed.  The mail run identifies the communications that should be handled by matching each entry in the communication queue 'Communication Queue External System' with one defined in the mail run.