title: Mule 3.6.1 xpath3
body: <p>I am trying to migrate my Mule 3.4 CE applications to Mule 3.6.1 CE and having issues with xpath3.</p>
  
  <p>Payload:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8" standalone="yes"?&gt;
  &lt;ns2:itemMessage xmlns:ns2="http://test.com/messages"&gt;
      &lt;requestId&gt;QAREQ:150623_0002&lt;/requestId&gt;
      &lt;requestStatus&gt;COMPLETE&lt;/requestStatus&gt;
  &lt;/ns2:itemMessage&gt;
  </code></pre>
  
  <p>xpath expression (working)</p>
  
  <pre><code>#[xpath('string(//itemMessage/requestId/text())')]
  </code></pre>
  
  <p>xpath3 expression (not working)</p>
  
  <pre><code>#[xpath3('//itemMessage/requestId/text()', payload, 'STRING')]
  </code></pre>
  
  <p>Appreciate any insight.</p>