<p></p>
<p><b>@sergey-safarov</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/kamailio/kamailio/pull/2675#discussion_r606790323">src/modules/lost/doc/lost_admin.xml</a>:</p>
<pre style='color:#555'>> +                        </itemizedlist>
+                       <para>
+                       The return value is 200 on success, 400 if an internal error occured, or 500 if an
+            error code is returned in the HELD response.
+               </para>
+                       <para>
+                       This function can be used from REQUEST_ROUTE,
+                       ONREPLY_ROUTE, FAILURE_ROUTE, and BRANCH_ROUTE.
+                       </para>
+                       <example>
+                               <title><function>lost_held_dereference()</function> usage</title>
+                               <programlisting format="linespecific">
+...
+# HELD location dereference
+if ($hdr(Geolocation)=~"^&lt;http.*$") {
+    $var(url) = $(hdr(Geolocation){s.select,0,;});
</pre>
<p>I can suggest use</p>
<pre><code>$var(url) = @hf_value.geolocation[1].uri;
</code></pre>

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