SRSensorUsageECG A collection of properties that explains your app’s need to observe the person’s electrocardiogram sensor data. TopicsSensor usage keysDescriptionRequired See AlsoUser ActivitySRSensorUsageElevationSRSensorUsageFacialMetricsSRSensorUsageHeartRateSRSensorUsageMediaEventsSRSensorUsageMotionSRSensorUsageOdometerSRSensorUsagePedometerSRSensorUsagePPGSRSensorUsageSpeechMetricsSRSensorUsageVisitsSRSensorUsageWristTemperature