command" or "action". Such a component is typically rendered as a push
 button, a menu item, or a hyperlink.
 </p>

 <p>
 When the <code>decode()</code> method of this <a href="UICommand.html" title="class in jakarta.faces.component"><code>UICommand</code></a>, or its corresponding <a href="../render/Renderer.html" title="class in jakarta.faces.render"><code>Renderer</code></a>, detects that
 this control has been activated, it will queue an <a href="../event/ActionEvent.html" title="class in jakarta.faces.