This property contains a predefined value of the sort of operation or state transition the component wants to propagate up to the application level.
这个属性包含这个组件希望传播到应用程序级的一个预定义值,这个值表示操作的类型或状态迁移。
2
In addition to the set of predefined phases and handlers, users can configure user phases and associated handlers at the operation, service, or global level.