freeswitch/conf/minimal/freeswitch.xml

<?xml version="1.0"?>
<document type="freeswitch/xml">
  <X-PRE-PROCESS cmd="include" data="vars.xml"/>

  <section name="configuration" description="Various Configuration">
    <X-PRE-PROCESS cmd="include" data="autoload_configs/*.xml"/>
  </section>

  <section name="dialplan" description="Regex/XML Dialplan">
    <X-PRE-PROCESS cmd="include" data="dialplan/*.xml"/>
  </section>
</document>