StoryHandlerListener

```
public interface StoryHandlerListener

                    
```
To listen before and after action handling. Need to be registered using ai.tock.bot.engine.BotRepository.registerStoryHandlerListener.

Method Summary

Modifier and Type	Method	Description
`Boolean`	`startAction(BotBus botBus, StoryHandler handler)`	Called before StoryHandler.handle.
`Unit`	`endAction(BotBus botBus, StoryHandler handler)`	Called when StoryHandler handling is over.

Methods inherited from class ai.tock.bot.definition.StoryHandlerListener
equals, hashCode, toString
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - startAction
```
 Boolean startAction(BotBus botBus, StoryHandler handler)
```
    Called before StoryHandler.handle. If it returns false, the StoryHandlerListeners registered after this listener and the StoryHandler are not called. (however endAction of each StoryHandlerListener is called].
  - endAction
```
 Unit endAction(BotBus botBus, StoryHandler handler)
```
    Called when StoryHandler handling is over.