How RUNMQTRM detects errors

If the RUNMQTRM trigger monitor in WebSphere MQ on UNIX(R) systems detects any of the following errors:

it puts the trigger message on the dead-letter queue, having added a dead-letter header structure (MQDLH) to the message. It uses a feedback code in the Reason field of this structure to explain why it put the message on the dead-letter queue.