Read an event notification.
ULValue UltraLite_Connection_iface::GetNotification( const ULValue & queue_name, ul_u_long wait_ms )
queue_name queue to read or NULL for default connection queue
wait_ms time to wait (block) before returning
The name of the event read or empty string on error.
This call blocks until a notification is received or until the given wait period expires. To wait indefinitely, pass UL_READ_WAIT_INFINITE for wait_ms. To cancel a wait, send another notification to the given queue or use CancelGetNotification function. After reading a notification, use ReadNotificationParameter() to retrieve additional parameters by name.
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