Documentation for a historical release of Infusion: 1.4
Please view the Infusion Documentation site for the latest documentation, or the Infusion 1.3. Documentation for the previous release.
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The event will fire to only one listener.
If the implementer tries to attach multiple listeners to a unicast event, only the last registered listener will receive the event.


The event represents a "preventable" action.
The listeners may each return a boolean value of false, representing both

  • that further listeners should fail to be queried, and
  • that the operation represented by the event should be cancelled.
    This is similar to the default semantics on browser events.
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