Catalina:type=Server</em>
    </td>
    <td></td>
  </tr>

  <tr>
    <td>operation</td>
    <td>Existing MBean operation (see Tomcat
        <a href="funcspecs/fs-admin-opers.html">funcspecs/fs-admin-opers.html</a>).
    </td>
    <td></td>
  </tr>

  <tr>
    <td>ref</td>
    <td>JMX Connection reference
    </td>
    <td><code class="noHighlight">jmx.server</code></td>
  </tr>

  <tr>
    <td>echo</td>
    <td>Echo command usage (access and result)
    </td>
    <td><code class="noHighlight">false</code>