<doc>
	<legacy_id>393</legacy_id>
	<term>callback</term>
	<definition><p>A <keyword tag="message box">message</keyword> that is sent at a specific point in a process. Callbacks are usually used to notify an <glossary tag="object">object</glossary> about the progress of a process that the <glossary tag="object">object</glossary> started.</p>
<p></p>
<p>For example, a <keyword tag="player">player</keyword> might send a callback message when the <function tag="movie">movie</function> reaches a certain frame. Or the <glossary tag="Internet library">Internet library</glossary> might send a callback to the <glossary tag="object">object</glossary> whose <property tag="script">script</property> started a file transfer when the transfer is completed.</p></definition>
	<categories>
	 	<category>Objects &amp; Messages</category>
	</categories>
	<synonyms>
	 	<synonym>callback</synonym>
	 	<synonym>callbacks</synonym>
	 	<synonym>callback's</synonym>
	 	<synonym>callbacks'</synonym>
	 	<synonym>callback message</synonym>
	 	<synonym>callback messages</synonym>
	 	<synonym>callback message's</synonym>
	 	<synonym>callback messages'</synonym>
	</synonyms>
</doc>