Example 4. Remote References Schema for SOAP Encoded

<?xml version="1.0" encoding="UTF-8"?>
<schema targetNamespace="http://idoox.com/interface"
    xmlns="http://www.w3.org/2001/XMLSchema"
    xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/"
    xmlns:tns="http://idoox.com/interface" 
    xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">
    <complexType name="serviceReference">
        <sequence>
            <element name="service" type="QName"/>
            <element name="wsdl" type="anyURI"/>
            <element minOccurs="0" name="instanceID" type="string"/>
            <element minOccurs="0" name="portTypeMappings" 
                type="tns:ArrayOfInterfaceMapping"/>
        </sequence>
    </complexType>
    <complexType name="ArrayOfInterfaceMapping">
        <complexContent>
            <restriction base="soapenc:Array">
                <sequence>
                    <element maxOccurs="unbounded" minOccurs="0" 
                    name="item" type="tns:interfaceMapping"/>
                </sequence>
                <attribute ref="soapenc:arrayType" 
                    wsdl:arrayType="tns:interfaceMapping[]"/>
            </restriction>
        </complexContent>
    </complexType>
    <complexType name="interfaceMapping">
        <sequence>
            <element name="portType" type="QName"/>
            <element name="className" type="string"/>
        </sequence>
    </complexType>
    <element name="instance">
        <annotation>
            <documentation> this is the SOAP header schema this SOAP header
                SHOULD have soap-env:mustUnderstand set to "1" this header MUST
                be present at most once in any message </documentation>
        </annotation>
        <complexType>
            <choice>
                <element name="id" type="string"/>
                <element name="setId" type="string"/>
                <element name="notFound" type="string"/>
            </choice>
        </complexType>
    </element>
</schema>