diff --git a/src/modules/uac/doc/uac_admin.xml b/src/modules/uac/doc/uac_admin.xml
index 352d038ea20..52362af1e31 100644
--- a/src/modules/uac/doc/uac_admin.xml
+++ b/src/modules/uac/doc/uac_admin.xml
@@ -1005,6 +1005,31 @@ if(uac_reg_lookup("$rU", "$ru"))
 {
     lookup("location");
 }
+...
+				</programlisting>
+			</example>
+		</section>
+		<section id="uac.f.uac_reg_lookup_uri">
+			<title>
+				<function moreinfo="none">uac_reg_lookup_uri(uri, dst)</function>
+			</title>
+			<para>
+			This function sets the PV dst to SIP URI that correspond to the URI user
+			in uac registrations table. The uri can contain pseudo-variables and
+			dst must be the name of a pseudo-variable.
+			</para>
+			<para>
+			This function can be used from ANY_ROUTE.
+			</para>
+			<example>
+				<title><function>uac_reg_lookup_uri</function> usage</title>
+				<programlisting format="linespecific">
+...
+
+if(uac_reg_lookup("$var(uri)", "$ru"))
+{
+    lookup("location");
+}
 ...
 				</programlisting>
 			</example>