Page History

<wsnt:Subscribe
  xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2"
  xmlns:wsa="http://www.w3.org/2005/08/addressing">
  <wsnt:ConsumerReference>
    <wsa:Address>
      endpoint:http://www.consumer.org/service/endpoint
    </wsa:Address>
  </wsnt:ConsumerReference>
  <wsnt:Filter>
    <!-- Optional Topic Express Filter -->
    <wsnt:TopicExpression Dialect="http://docs.oasis-open.org/wsn/t-1/TopicExpression/Simple">
       myTopic
    </wsnt:TopicExpression>
    <!-- Optional Message Content Filter -->
    <wsnt:MessageContent Dialect="http://www.w3.org/TR/1999/REC-xpath-19991116">
      //hello/@id=123
    <wsnt:MessageContent>
  </wsnt:Filter>
</wsnt:Subscribe>