SOAP XML "ping" response.

gistfile1.xml

<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:ns0="http://gov.fubar.services/XYZService/"
xmlns:ns1="http://gov.fubar.services/xyzreqeust"
xmlns:ns2="http://gov.fubar.services/xyzresponse"
xmlns:ns3="urn:herp:names:tc:derpy:derp:1.1">
  <env:Body>
    <ns0:getResponseTypeDef>
      <ns2:parameterListItem>
        <ns2:parameterName>ACK</ns2:parameterName>
        <ns2:parameterValue>PONG</ns2:parameterValue>
      </ns2:parameterListItem>
      <ns2:ResponseOperation>PING</ns2:ResponseOperation>
    </ns0:getResponseTypeDef>
  </env:Body>
</env:Envelope>