<SOAP:Envelope xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/"
               SOAP:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
               xmlns:xsd="http://www.w3.org/2001/XMLSchema">

    <!-- Header with additional information -->
    <SOAP:Header>
        <wscoor:CoordinationContext
            xmlns:wscoor="http://schemas.xmlsoap.org/ws/2003/09/wscoor"
            SOAP:mustUnderstand="true">
            <wscoor:Identifier>
                http://example.com/context/1234
            </wscoor:Identifier>
        </wscoor:CoordinationContext>
    </SOAP:Header>

    <!-- Body with message content -->
    <SOAP:Body>
        <m:aMethodRequest xmlns:m="http://example.com/soap.wsdl">
            <aNumber xsi:type="xsd:int">42</aNumber>
        </m:aMethodRequest>
    </SOAP:Body>

</SOAP:Envelope>