XML Schema Google Web Service
 

All I'm trying to write an xml schema for the following xml from the
google web service api. In the schema I'm not sure how to describe the
soapenv:encodingStyle attribute.

Thanks.

<?xml version="1.0" encoding="UTF-8"?>
<soapenv:Envelope
xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<soapenv:Body>

<ns1:doSpellingSuggestion
soapenv:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:ns1="urn:GoogleSearch">
<key xsi:type="xsd:string">XXXXXXXXXXXXXXXXXXXXX</key>
<phrase xsi:type="xsd:string">rabbbit</phrase>
</ns1:doSpellingSuggestion>

</soapenv:Body>
</soapenv:Envelope>

<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
targetNamespace="urn:GoogleSearch"
xmlns:ns1="urn:GoogleSearch"
xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"
version="1.0">

<xsd:element name="doSpellingSuggestion"
type="ns1:doSpellingSuggestion"/>

<xsd:complexType name="doSpellingSuggestion">
<xsd:sequence>
<xsd:element name="key" type="xsd:string"/>
<xsd:element name="phrase" type="xsd:string"/>
</xsd:sequence>
<xsd:attribute name="encodingStyle" type="soapenv:encodingStyle" />
</xsd:complexType>

</xsd:schema>
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema
xmlns:xs="http://www.w3.org/2001/XMLSchema"
elementFormDefault="qualified"
targetNamespace="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:ns1="urn:GoogleSearch"
version="1.0">

<xs:import namespace="urn:GoogleSearch"
schemaLocation="GoogledoSpellingSuggestion.xsd" />

<xs:element name="Envelope">
<xs:complexType>
<xs:sequence>
<xs:element name="Body">
<xs:complexType>
<xs:sequence>
<xs:element ref="ns1:doSpellingSuggestion" />
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>

</xs:schema>