/tr></tbody>
</table></div></td>
</tr>
<tr>
<td><p><span class="term">Returns:</span></p></td>
<td><p>A <code class="computeroutput">value_ref</code> with extracted attribute value if it is found, empty <code class="computeroutput">value_ref</code> otherwise. </p></td>
</tr>
</tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><a class="link" href="record_view.html" title="Class record_view">record_view</a> <a name="idm23129-bb"></a><span class="identifier">lock</span><span class="