If you enable triggering on the queue, a trigger immediately fires and the queue is reset back to NOTRIGGER again.
如果您在队列上启用触发机制,一个触发器将立即触发,然后,队列再次被重置为NOTRIGGER。
2
In Listing 4, the ev: event attribute specifies the specific event being listened for; the handler is the xf: reset element, and the observer defaults to the parent element, xf: trigger.