<GetItemsInRange>
  <Calendar Id="12345"/>
  <Range>
    <!--Range (May 17, 2010 8a-5p) represented as ICalendar in XML>
    <icalendar xmlns="urn:ietf:params:xml:ns:icalendar-2.0">
    <vcalendar>
    <properties>
      <version><text>2.0</text></version>
    </properties>
    <components>
      <vevent>
      <properties>
        <dtstart>20100517T080000Z</dtstart>
        <dtend>20100517T170000Z</dtend>
      </properties>
      </vevent>
      </components>
      </vcalendar>
      </icalendar>
  </Range>
</GetItemsInRange>