 action to be invoked, if this <a href="UIComponent.html" title="class in jakarta.faces.component"><code>UIComponent</code></a> is
 activated by the user, during the <em>Apply Request Values</em> or <em>Invoke Application</em> phase of the request
 processing lifecycle, depending on the value of the <code>immediate</code> property.
 </p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="ActionSource2.html#getActionExpression()">getActionExpression</a></code>&nbsp