Basics of XML Schema inheritance

Hello All,

I have a simple SOAP message for which I would like to define a XML Schema. This SOAP message has just 2 elements.

Could any of you please help me out on this one?

<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/">
		<CPG-ENV:SenderID xmlns:CPG-ENV="http://www.cpgmarket.com/soap/">9999998000</CPG-ENV:CPGSenderID>
<SOAP-ENV:Body>
		<CPG-ENV:DocumentID xmlns:CPG-ENV="http://www.cpgmarket.com/soap/">Z2030000000000436060</CPG-ENV: DocumentID>
</SOAP-ENV:Envelope>

I have defined an XML Schema based on my understanding, which goes like this

<?xml version="1.0"?>
<xsd:schema targetNamespace="http://schemas.xmlsoap.org/soap/envelope/" xmlns:cpg="http://www.cpgmarket.com/soap/" xmlns:tns="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
	<xsd:redefine schemaLocation="http://schemas.xmlsoap.org/soap/envelope/">
		<xsd:complexType name="Header">
			<xsd:complexContent>
				<xsd:extension base="Header">
					<xsd:sequence>
						<xsd:element name="SenderID" minOccurs="0"/>
					</xsd:sequence>
				</xsd:extension>
			</xsd:complexContent>
			<xsd:anyAttribute namespace="##any" processContents="lax"/>
		</xsd:complexType>
	</xsd:redefine>
	<xsd:redefine schemaLocation="http://schemas.xmlsoap.org/soap/envelope/">
		<xsd:complexType name="Body">
			<xsd:complexContent>
				<xsd:extension base="Body">
					<xsd:sequence>
						<xsd:element name="DocumentID" minOccurs="0"/>
					</xsd:sequence>
				</xsd:extension>
			</xsd:complexContent>
			<xsd:anyAttribute namespace="##any" processContents="lax"/>
		</xsd:complexType>
	</xsd:redefine>
</xsd:schema>

As you people can guess it does not work.

Any input/suggestions would be highly appreciated.

Regards,

Rajesh


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