A key that indicates the relative timing of a blood glucose reading to a meal.
- iOS 11.0+
- watchOS 4.0+
Set this key on a
blood sample. Set it's value to an
NSNumber object containing a
HKBlood value.Medical professionals can use the relative meal time to help determine the acceptable range for a blood glucose reading. If your app requires more precise timing or additional information about the meal's composition, create samples to record those details (for example, a
dietary sample with the exact meal time).