The event attribute specifies which event the tag should listen for.
event属性指定标记应该侦听哪个事件。
The action you defined has an event attribute set to "xforms-value-changed."
定义的动作有一个event属性设置为“xforms - value - changed”。
The final step is also filtered using the number attribute and the event attribute. The template now looks like this
最后一步也是使用 数值属性和 事件属性进行筛选。
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