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## javax.faces.event
Interface ActionListener

All Superinterfaces:
  EventListener, FacesListener

All Known Implementing Classes:
  MethodExpressionActionListener

    public interface ActionListener

extends FacesListener

A listener interface for receiving `ActionEvent`s. An implementation of this interface must be thread-safe. A class that is interested in receiving such events implements this interface, and then registers itself with the source `UIComponent` of interest, by calling `addActionListener()`.

Method Summary
`void` | `processAction(ActionEvent event)` Invoked when the action described by the specified `ActionEvent` occurs.

Method Detail

### processAction

    void processAction(ActionEvent event)
                       throws AbortProcessingException

  Invoked when the action described by the specified `ActionEvent` occurs.

  Parameters:
    `event` - The `ActionEvent` that has occurred
  Throws:
    `AbortProcessingException` - Signal the JavaServer Faces implementation that no further processing on the current event should be performed

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