<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope">
<soap:Body>
<getCurrencyRate xmlns="http://example.com/finance">
<currency>USD</currency>
</getCurrencyRate>
</soap:Body>
</soap:Envelope>
<definitions name="FinanceService"
targetNamespace="http://example.com/finance"
xmlns="http://schemas.xmlsoap.org/wsdl/">
<types>
<xsd:schema>
<xsd:element name="getCurrencyRate" type="xsd:string"/>
</xsd:schema>
</types>
<message name="GetCurrencyRateRequest">
<part name="currency" type="xsd:string"/>
</message>
<message name="GetCurrencyRateResponse">
<part name="rate" type="xsd:float"/>
</message>
<portType name="FinancePortType">
<operation name="getCurrencyRate">
<input message="tns:GetCurrencyRateRequest"/>
<output message="tns:GetCurrencyRateResponse"/>
</operation>
</portType>
<binding name="FinanceSoapBinding" type="tns:FinancePortType">
<soap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
<operation name="getCurrencyRate">
<soap:operation soapAction="http://example.com/finance/getCurrencyRate"/>
<input>
<soap:body use="encoded" namespace="http://example.com/finance" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
</input>
<output>
<soap:body use="encoded" namespace="http://example.com/finance" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"/>
</output>
</operation>
</binding>
<service name="FinanceService">
<port name="FinancePort" binding="tns:FinanceSoapBinding">
<soap:address location="http://example.com/finance"/>
</port>
</service>
</definitions>