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

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

<catch event="exit">
  <prompt> Exit! </prompt>
  <exit/>
</catch>

<link event="help">
  <grammar root="main">
    <rule id="main" scope="public">
      <item repeat="0-1"> please </item>
      <item repeat="0-1"> I need </item>
      help
      <item repeat="0-1"> me </item>
      <item repeat="0-1"> please </item>
    </rule>
  </grammar>
</link>

<link event="exit">
  <grammar root="main">
    <rule id="main" scope="public">
      <one-of>
        <item>exit</item>
        <item>quit</item>
      </one-of>
    </rule>
  </grammar>
</link>

<form id="start">
  <block>
    Welcome to a simple object manipulator.
  </block>

  <field name="command">
    <nomatch>
      I don't understand you. I can open, close,
      move and delete windows, files and menus,
    </nomatch>
    <help> I can open, close, move and delete windows, files and menus. </help>

    <prompt> What can I do for you? </prompt>
    <grammar src="command.grxml"/>

    <filled>
      <prompt>
        You want me to <value expr="command.action + ' ' + command.object"/>.
        Do it yourself for now. Goodbye.
      </prompt>
    </filled>
  </field>
</form>

</vxml>

<?xml version="1.0" encoding="UTF-8"?>
<grammar root="command" version="1.0" xml:lang="en">

  <meta name="description" content="grammar with simple commands"/>
  <meta name="author" content="OptimSys, s.r.o., Czech Republic (http://www.optimsys.cz)"/>
  <meta name="copyright" content="free for any purpose"/>

  <rule id="command" scope="public">
    <ruleref uri="#action"/> <ruleref uri="#object"/>
    <tag> out.action = rules.action; out.object = rules.object; </tag>
  </rule>

  <rule id="action">
    <one-of>
      <item> open </item>
      <item> close </item>
      <item> delete </item>
      <item> move </item>
    </one-of>
  </rule>

  <rule id="object">
    <item repeat="0-1">
      <one-of>
        <item> the </item>
        <item> a </item>
      </one-of>
    </item>
    <one-of>
      <item> window <tag>out = "window"</tag> </item>
      <item> file <tag>out = "file"</tag> </item>
      <item> menu <tag>out = "menu"</tag> </item>
    </one-of>
  </rule>

</grammar>