WSDL Document
<binding>
<message name="myMethod">
<part name="x" type="xsd:int"/>
<part name="y" type="xsd:float"/>
</message>
<interface name="myInterface”>
<operation name="myMethod">
<input message="myMethodRequest"/>
<output message="empty"/>
</operation>
</interface>
</binding>
SOAP Message
<soap:envelope>
<soap:body>
<myMethod>
<x>5</x>
<y>5.0</y>
</myMethod>
</soap:body>
</soap:envelope>