<SOAP-ENV:Envelope SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"  xmlns:SOAP-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:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"  xmlns:si="http://soapinterop.org/xsd">
      <SOAP-ENV:Body>
         <echoStringResponse>
            <return xsi:type="xsd:string">String Argument</return>
         </echoStringResponse>
      </SOAP-ENV:Body>
   </SOAP-ENV:Envelope>