+---soap client request wsdl from uri:mydomain.com/soap5/wsdl/ControllerName
|   |
|   +---soap5Controller's wsdl method requests the wsdl from WebServiceHelper
|       and returns the wsdl document
|   
+---soap client calls soap method from uri: mydomain.com/soap5/serve/ControllerName
    |
    +---soap5Controller's serve method receives the request and passes it to a 
        |php5 SoapServer
        |
        +---SoapServer passes the request to a dummy class
        |
        +---Dummy class parses the soap arguments and uses the cake requestAction 
            |method to call the real soap method
            |
            \---requestAction returns the results back to the dummy file and 
                SoapServer outputs the soap response back to the client