S</code></a>.

 <p>
 The name of the caller that has been authenticated has to be set as the
 one and only placeholder. The group name should be in the first column of
 the result.

 <p>
 Example query:
 <pre>
 <code>
 select group_name from caller_groups where caller_name = ?
 </code>
 </pre></div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>SQL query to retrieve the groups</dd>
</dl>
<dl>
<dt>Default:</dt>
<dd>""</dd>
</dl>
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