Сons.WS.MPPClient main = new Cons.WS.MPPClient ();
 Cons.WS.getX INPUT = new Cons.WS.getX ();
 Cons.WS.getY OUTPUT = new WS.getY ();
 INPUT.@in = new int[1]; 
 INPUT.@in[0] = 123;
 OUTPUT = main.getResult(INPUT);
 OUTPUT.@out.response[0] -- здесь сидит сложный объект

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <soapenv:Header/>
  <soapenv:Body>
    <pay:getY xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:pay="http://MultyPay_Alseco/MultyPay">
      <out>
        <response>
            .........