<?xml version="1.0" encoding="UTF-8"?>
<vxml version="2.0" xmlns="http://www.w3.org/2001/vxml">

<meta name="description" content="subdialog and event handling example"/>
<meta name="author" content="OptimSys, s.r.o., Czech Republic (http://www.optimsys.cz)"/>
<meta name="copyright" content="free for any purpose"/>

<form id="start">
  <block name="answer">
    Welcome. Before we start space ship pilot exams, we need to know whether
    you are concentrated.
  </block>

  <subdialog name="sleepy" src="#test">
    <filled>
      <if cond="sleepy.answer=='yes'">
        So you are sleepy. Better come another day. Bye.
      <else/>
        You seem to be concentrated. We can start!
      </if>
    </filled>
  </subdialog>

  <catch event="slow">
    You have slow reactions. Better come another day. See you later.
    <exit/>
  </catch>

  <catch event="not_smart">
    You are not able to answer simple questions. Better don't try to
    pilot a spaceship. Bye.
    <exit/>
  </catch>
</form>

<form id="test">
  <field name="answer">
    <noinput> <return event="slow"/> </noinput>
    <nomatch> say 'yes' or 'no' </nomatch>
    <nomatch count="2"> answer 'yes' or 'no', please </nomatch>
    <nomatch count="3"> <return event="not_smart"/> </nomatch>

    <prompt timeout="2s"> Are you sleepy? </prompt>
    <grammar src="yesno.grxml"/>

    <filled>
      <return namelist="answer"/>
    </filled>
  </field>
</form>

</vxml>

<?xml version="1.0" encoding="UTF-8"?>
<grammar root="main" version="1.0" xml:lang="en" tag-format="semantics/1.0-literals">

  <meta name="description" content="yes/no grammar"/>
  <meta name="author" content="OptimSys, s.r.o., Czech Republic (http://www.optimsys.cz)"/>
  <meta name="copyright" content="free for any purpose"/>

  <rule id="main" scope="public">
    <one-of>
      <item><ruleref uri="#yes"/><tag>yes</tag></item>
      <item><ruleref uri="#no"/><tag>no</tag></item>
    </one-of>
  </rule>
  <rule id="yes">
    <one-of>
      <item>yes</item>
      <item>yeah</item>
      <item>yep</item>
      <item>sure</item>
    </one-of>
  </rule>
  <rule id="no">
    <one-of>
      <item>no</item>
      <item>not</item>
      <item>nope</item>
    </one-of>
  </rule>
</grammar>