block"><p>If the implementing class also implements <a href="../../../javax/faces/component/ActionSource2.html" title="interface in javax.faces.component"><code>ActionSource2</code></a>, the implementation of this method must wrap the
 argument <code>action</code> in a class that implements <a href="../../../javax/el/MethodExpression.html" title="class in javax.el"><code>MethodExpression</code></a> and call through to <a href="../../../javax/faces/component/ActionSource2.html#setActionExpression-javax.el.Me