def __init_url(self):
        """loads the information into the class"""
        portals_self_url = "{}/portals/self".format(self._url)
        params = {
            "f" :"json"
        }
        if not self._securityHandler is None:
            params['token'] = self._securityHandler.token
        res = self._get(url=portals_self_url,
                           param_dict=params,
                           securityHandler=self._securityHandler,
                           proxy_url=self._proxy_url,
                           proxy_port=self._proxy_port)
        if "helperServices" in res:
            helper_services = res.get("helperServices")
            if "hydrology" in helper_services:
                analysis_service = helper_services.get("elevation")
                if "url" in analysis_service:
                    self._analysis_url = analysis_service.get("url")
        self._gpService = GPService(url=self._analysis_url,
                                    securityHandler=self._securityHandler,
                                    proxy_url=self._proxy_url,
                                    proxy_port=self._proxy_port,
                                    initialize=False)
loads the information into the class