ener</code>s that may be associated with this
 instance.</p>

 <div class="changed_added_2_2">

 <p>Take no action if any of the following conditions are true:</p>

 <ul>

          <li><p>The current request is a postback and the instance has
 been configured to not operate on postback. See <a href="../../../javax/faces/component/UIViewAction.html#isOnPostback--"><code>isOnPostback()</code></a>.</p></li>

          <li><p>The condition stated in the <code>if</code> property
 evaluates to <code>false</code>