Contents

HKPredicateKeyPathAverageHeartRate

The key path for the sample’s average heart rate.

Declaration

let HKPredicateKeyPathAverageHeartRate: String

Discussion

Use this constant whenever you want to include the ECG’s average heart rate in a predicate format string. Add a %K placeholder to the format string, and then pass this constant as an argument.

See Also

Specifying Predicate Key Paths