How do I invoke a method that takes no parameters ?

[Pramod Nair]

Pleeeeaaase !!
I am writing a client for a web service. Can somebody tell me how to
configure a Call object for the following message

      <message name="NewGameRequest" />
-    <message name="NewGameResponse">
          <part name="return" type="xs:int" />
     </message>

    I just want to invoke the NewGame() method on the remote server. The
method takes no parameters. How do I do THAT ?

    regards,
    Pramod