Quote Originally Posted by res1st
You are right, that sounds logical.
Note: If you doesn't want to be such a fool like me , you can also use the following code, which is much shorter.
Code:
<wsdl:message name="echoRequest">
    <wsdl:part name="echoString" element="tns:echoRequest" />
</wsdl:message>
and
<element name="echoRequest" type="string"/>
Good, you are getting the hang of this now . Note that there is also a XSD tutorial available on W3Schools. And I've found this book to be quite valuable.