ssionAttribute"
    resultproperty="hello"&gt;
     &lt;arg value="${sessionid.0}"/&gt;
     &lt;arg value="Hello" /&gt;
  &lt;/jmx:invoke&gt;</code></pre></div>

<p>
Example to create a new access logger valve at vhost <em>localhost</em>
</p>
<div class="codeBox"><pre><code> &lt;jmx:invoke
         name="Catalina:type=MBeanFactory"
         operation="createAccessLoggerValve"
         resultproperty="accessLoggerObjectName"
 &gt;
     &lt;arg value="Catalina:type=Host,host=localhost"/&gt;
 &lt;/jmx:invoke&