QCTL is the transaction that receives the trigger message, it finds the name of the queue that has messages waiting to be processed, and it gets the messages and processes them.
QCTL 是接收该触发消息的事务，它找到含有待处理消息的队列的名称，然后获得这些消息并进行处理。
2
When the Web services client calls the invoke message, the responses waiting in that queue are delivered.
当Web服务客户端调用invoke消息时，在那个队列中等待的响应就会被传送。
3
If the PLUTO queue manager is running and the initiation queue is defined, you should see a message stating that the trigger monitor is started and waiting for a trigger message.