docs: def motion_sensor(self, enabled):
          """Set the motion sensor state."""
          if enabled is True:
              value = CONST.SETTINGS_MOTION_POLICY_ON
          elif enabled is False:
              value = CONST.SETTINGS_MOTION_POLICY_OFF
          else:
              raise SkybellException(ERROR.INVALID_SETTING_VALUE,
                                     (CONST.SETTINGS_MOTION_POLICY, enabled))
  
          self._set_setting({CONST.SETTINGS_MOTION_POLICY: value})