:param mode: one of [None, "activity", "tamper", "forced_entry"]
        :return: nothing

def set_alarm_mode(self, mode):
        """
        :param mode: one of [None, "activity", "tamper", "forced_entry"]
        :return: nothing
        """
        values = {"desired_state": {"alarm_mode": mode}}
        response = self.api_interface.set_device_state(self, values)
        self._update_state_from_response(response)