Contents

HKMetadataKeyVO2MaxValue

The maximum oxygen consumption rate during exercise of increasing intensity.

Declaration

let HKMetadataKeyVO2MaxValue: String

Discussion

The system sets this key on lowCardioFitnessEvent samples. It contains the value of the VO2 max measurement that triggered the event. The value of this key is an HKQuantity object with a unit of ml/kg/min. For more information on working with complex units, see unitMultiplied(by:), unitDivided(by:), and init(from:).

See Also

Cardio Fitness Keys