A category sample type for low heart rate events.
- iOS 12.2+
- Mac Catalyst 13.0+
- watchOS 5.2+
The system creates
HKCategory samples whenever Apple Watch produces a low heart rate notification. For more information, see Heart rate notifications on your Apple Watch.
The low heart rate samples are read-only. Use this identifier to request permission to read these samples; however, you can’t request authorization to share them, and you can’t save new low heart rate events to the HealthKit store.