WSO2 Synapse mediation sequence to build a SOAP message for SOAP 12 namespace

PayloadFactorySOAP12Sequence.xml

<?xml version="1.0" encoding="UTF-8"?>
<sequence name="PayloadFactorySOAP12Sequence" trace="disable" xmlns="http://ws.apache.org/ns/synapse">
<payloadFactory media-type="xml">
        <format>
            <soap:Envelope xmlns:ns="http://www.viewstar.com/webservices/2002/11" xmlns:soap="http://www.w3.org/2003/05/soap-envelope">
                <soap:Header/>
                <soap:Body>
                    <ns:Login>
                        <ns:loginId>$1</ns:loginId>
                        <ns:password>$2</ns:password>
                        <ns:groupName/>
                        <ns:loginMode>$3</ns:loginMode>
                    </ns:Login>
                </soap:Body>
            </soap:Envelope>
        </format>
        <args>
            <arg evaluator="json" expression="$.loginId" literal="true"/>
            <arg evaluator="json" expression="$.password" literal="true"/>
            <arg evaluator="json" expression="$.loginMode" literal="true"/>
        </args>
    </payloadFactory>
         <property name="messageType" scope="axis2" type="STRING" value="application/soap+xml"/>
<log level="full"/>
</sequence>