Service component - L3NM - IETF ACTN Service Handler:

    ) -> Tuple[Device, EndPoint, Dict]:

        device_uuid, endpoint_uuid = get_device_endpoint_uuids(endpoint)

        device_obj = self.__task_executor.get_device(DeviceId(**json_device_id(device_uuid)))

        device_name = device_obj.name

        device_prefix = '/device[{:s}]/'.format(device_name)

        for config_rule in device_obj.device_config.config_rules:

            self.__settings_handler.update_config_rule(config_rule)

            if config_rule.WhichOneof('config_rule') != 'custom': continue

            rw_config_rule = ConfigRule()

            rw_config_rule.CopyFrom(config_rule)

            resource_key = str(config_rule.custom.resource_key)

            if resource_key.startswith('/endpoints/endpoint['):

                resource_key = resource_key.replace('/endpoints/', device_prefix)

            rw_config_rule.custom.resource_key = resource_key

            self.__settings_handler.update_config_rule(rw_config_rule)

        endpoint_obj = get_endpoint_matching(device_obj, endpoint_uuid)

        endpoint_settings = self.__settings_handler.get_endpoint_settings(device_obj, endpoint_obj)

        device_name = device_obj.name

        endpoint_name = endpoint_obj.name

        if endpoint_settings is None:

            MSG = 'Settings not found for Endpoint(device=[uuid={:s}, name={:s}], endpoint=[uuid={:s}, name={:s}])'