Mine

    private long sendServiceEvent(HttpServletRequest request) throws ServletException, IOException {        long result = 0;                SimpleHCSSServiceEventClient client = new SimpleHCSSServiceEventClient(getPortalContext(request), new ServiceEventWebServiceDOCStyle_Impl());                result = client.performServiceEvent(new MemberActivityClinicTransfer(), new ServiceEventCallback() {            public long doInCallback(MemberActivity activity, ServiceEventWebServiceDOCStylePort port) throws RemoteException {                return port.createClinicTransfer((MemberActivityClinicTransfer)activity);            }        });                return result;    }