Working with Event Types > About Events
	About Events

In general, when a Dialog Designer speech application encounters a situation to which it does not know how to respond, or which meets predefined conditions, then Dialog Designer "throws" an event. The Avaya Application Simulator then searches to locate the appropriate event handler to handle, or "catch," the event. When Dialog Designer locates the appropriate event handler, it responds according to the instructions provided in the event handler.

The following sections describe details about events in more detail:

• Event Handlers and Scope

• Types of Event Handlers

• Built-in Event Handlers

• Custom Events

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