if (brightnessFeature && brightnessFeature.last_value !== newBrightnessValue) {
    logger.debug(`Polling Philips Hue ${lightId}, new brightness value = ${newBrightnessValue}`);
    this.gladys.event.emit(EVENTS.DEVICE.NEW_STATE, {
      device_feature_external_id: `${LIGHT_EXTERNAL_ID_BASE}:${bridgeSerialNumber}:${lightId}:${DEVICE_FEATURE_TYPES.LIGHT.BRIGHTNESS}`,
      state: newBrightnessValue,