 <?xml version="1.0" encoding="utf-8"?>
 <soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
   <soap:Body>
     <Add xmlns="http://tempuri.org/">
       <firstnumber>int</firstnumber>
       <secondnumber>int</secondnumber>
     </Add>
   </soap:Body>
 </soap:Envelope>
