This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
I'm not sure if this is the answer you need but, If the web service is built from bottom up and is successfully deployed, you should be able to view the WSDL at the URL you set up to publish the service by appending ?wsdl to URL. Of course , another alternative is to write a Client for the service.