Global Variable


A key that indicates the maximum speed during a workout.


let HKMetadataKeyMaximumSpeed: String


Set this key on a workout, workout segment, or a quantity sample that represents distance. Set its value to an HKQuantity object with a length/time unit (for example, m/s). For more information on creating complex units, see Performing Unit Math.

HealthKit assigns this metadata key to the segments it automatically creates for HKWorkoutActivityType.downhillSkiing and HKWorkoutActivityType.snowboarding workout sessions (Apple Watch Series 3 only).

See Also


let HKMetadataKeyAverageSpeed: String

A key that indicates the average speed during a workout.