org.kie.api.runtime.process

## Interface EventListener

- All Known Subinterfaces:
    ProcessInstance, WorkflowProcessInstance

      public interface EventListener

  An interface that represents an element that is listening for specific types of events.

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `String[]` | `getEventTypes()` Returns the event types this event listener is interested in.
    `void` | `signalEvent(String type, Object event)` Signals that an event has occurred.

- - ### Method Detail

    - #### signalEvent

          void signalEvent(String type,
                         Object event)

      Signals that an event has occurred. The type parameter defines which type of event and the event parameter can contain additional information related to the event.
      Parameters:
        `type` - the type of event
        `event` - the data associated with this event

    - #### getEventTypes

          String[] getEventTypes()

      Returns the event types this event listener is interested in. May return `null` if the event types are unknown.

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