<?xml version='1.0' ?>
<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope"
 xmlns:wsa="http://www.w3.org/2005/08/addressing">
 <env:Header>
  <wsa:MessageID>http://example.com/bd185f7f-30fd-4c9a-a8c1-3b1cdb37a5fe</wsa:MessageID>
  <wsa:FaultTo>
   <wsa:Address>http://www.w3.org/2005/08/addressing/none</wsa:Address>
  </wsa:FaultTo>
  <wsa:To>http://example.com/R</wsa:To>
  <wsa:Action>http://example.com/alertNotification</wsa:Action>
  <!-- The following is a header which will not be understood -->
  <n:alertcontrol xmlns:n="http://example.org/alertcontrol" env:mustUnderstand="true">
   <n:priority>1</n:priority>
   <n:expires>2001-06-22T14:00:00-05:00</n:expires>
  </n:alertcontrol>
 </env:Header>
 <env:Body>
  <m:alert xmlns:m="http://example.org/alert">
   <m:msg>Pick up Mary at school at 2pm</m:msg>
  </m:alert>
 </env:Body>
</env:Envelope>