;(<a href="../MethodExpression.html" title="class in jakarta.el">MethodExpression</a>&nbsp;actionExpression)</code></th>
<td class="colLast">
<div class="block">
 Set the <a href="../MethodExpression.html" title="class in jakarta.el"><code>MethodExpression</code></a> pointing at the appication action to be invoked, if this <a href="../../faces/component/UIComponent.html" title="class in jakarta.faces.component"><code>UIComponent</code></a> is
 activated by the user, during the <em>Apply Request Values</em> 