ec</code></span></p></td>
<td><p>A log record view. The attribute value will be sought among those associated with the record. </p></td>
</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> that refers to the extracted value, if found. An empty value otherwise. </p></td>
</tr>
</tbody>
</table></div>
</div>
</div>
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<td a