emaCstring">&quot;Class Histogram&quot;</span><span class="code SchemaTag">&gt;
      &lt;param key=</span><span class="code SchemaCstring">&quot;format&quot;</span><span class="code SchemaTag"> value=</span><span class="code SchemaCstring">&quot;csv&quot;</span><span class="code SchemaTag"> /&gt;
      &lt;command&gt;histogram&lt;/command&gt;
   &lt;/query&gt;
</span></pre>
</p>
<p></p>

<h6 class="CaptionFigColumn SchemaHeader">API Information: </h6>The value of the impl attribute must represent a