The on demand policy causes message transmission to occur only when instructed to do so by an application.

An application forces a message transmission to occur by calling TriggerSendReceive().

When the agent receives a Push Notification or a Network Status Change Notification, a corresponding message is sent to the system queue. This allows an application to detect these events and force a message transmission by calling TriggerSendReceive(). See:

• .NET: TriggerSendReceive method
• C++: triggerSendReceive function
• Java: triggerSendReceive method
• SQL: ml_qa_triggersendreceive

For more information about handling push notifications and network status changes, see System queue.