v class="block"><p class="changed_added_2_2"><strong
 class="changed_modified_2_3">UIViewAction</strong> represents a
 method invocation that occurs during the request processing
 lifecycle, usually in response to an initial request, as opposed to a
 postback.</div>
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<h3>Uses of <a href="../../../../javax/faces/component/ActionSource.html" title="interface in javax.faces.component">ActionSource</a>