<definitions name=”SchoolLibrary”

targetNamespace="http://www.school_library.com/Library.wsdl">
xmlns:xsd=" http://www.w3.org/2001/XMLSchema ">

<message name="getBookRequest">
<part name="Title" type="xsd:string"/>
</message>

<message name="getBookResponse"> <part name="return" type="xsd:string"/> </message>  

<interface> ... </interface>      

<service> ... </service>      

<binding> ... </binding>  

</definitions>