dataform-4.xml

<x xmlns='jabber:x:data' type='form' xmlns:xdv='http://jabber.org/protocol/xdata-validate'>
  <field label='Event Date/Time' var='evt.date' type='text-single'>
    <value>2003-10-06T11:22:00-07:00</value>
    <xdv:validate datatype='xs:dateTime'>
      <xdv:basic />
    </xdv:validate>
  </field>
  <field var='evt.category'
         type='list-single'
         label='Event Category'>
    <xdv:validate>
      <xdv:open/>
    </xdv:validate>
    <option><value>holiday</value></option>
    <option><value>reminder</value></option>
    <option><value>appointment</value></option>
  </field>
  <field var='evt.rsvp' type='text-single' label='RSVP Date/Time'>
    <value>2003-10-06T11:22:00-07:00</value>
    <xdv:validate datatype='xs:dateTime'>
      <xdv:range min='2003-10-05T00:00:00-07:00'
                 max='2003-10-24T23:59:59-07:00'/>
    </xdv:validate>
  </field>
  <field var='ssn' type='text-single' label='Social Security Number'>
    <desc>This field should be your SSN, including '-' (e.g. 123-12-1234)</desc>
    <xdv:validate>
      <xdv:regex>([0-9]{3})-([0-9]{2})-([0-9]{4})</xdv:regex>
    </xdv:validate>
  </field>
  <field var='evt.notify-methods'
         type='list-multi'
         label='Notify me by'>
    <xdv:validate>
      <xdv:basic/>
      <xdv:list-range min='1' max='3'/>
    </xdv:validate>
    <option><value>e-mail</value></option>
    <option><value>jabber/xmpp</value></option>
    <option><value>work phone</value></option>
    <option><value>home phone</value></option>
    <option><value>cell phone</value></option>
  </field>
</x>