Global Variable

HKMetadataKeyVO2MaxTestType

The method used to calculate the user’s VO2 max rate.

Declaration

let HKMetadataKeyVO2MaxTestType: String

Discussion

This key takes an NSNumber object containing a HKVO2MaxTestType value.

Topics

Valid Test Types

enum HKVO2MaxTestType

Methods for calculating the user’s VO2 max rate.

See Also

Vitals Sensors Keys

let HKMetadataKeyBodyTemperatureSensorLocation: String

The location where a particular body temperature reading was taken.

let HKMetadataKeyHeartRateSensorLocation: String

The location where a particular heart rate reading was taken.

let HKMetadataKeyHeartRateMotionContext: String

The user’s activity level when the heart rate sample was measured.