kamailio/modules/prefix_route/doc/functions.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" 
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">

<section id="prefixroute.functions" xmlns:xi="http://www.w3.org/2001/XInclude">
    <title>Functions</title>

	<section id="prefixroute.prefix_route">
		<title><function>prefix_route()</function></title>
		<para>
		This function tries to find a route from the user part of the request URI.
		If a route is found, it will be used for further processing. Otherwise the
		function will return false.
		</para>
		<example>
			<title>prefix_route() usage</title>
			<programlisting>
...
  if (!prefix_route()) {
      xlog("L_ERR", "prefix_route(): no matching routes\n");
  }
...
			</programlisting>
		</example>
	</section>
</section>