How to: Host a WCF Service in a Managed Application

Question

Hi, I'm looking at an MSDN example titled "How to: Host a WCF Service in a Managed Application" at:

http://msdn.microsoft.com/en-us/library/ms731758.aspx

It has a method

public string SayHello(string name)
        {
            return string.Format("Hello, {0}", name);
        }

When I browse to the page I get the default page for the webservice.

I'm fairly new to services. Can somebody tell me once you're at the page how you actually enter your name to get it to