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  "title" : "HealthKit sort descriptors"
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# HealthKit sort descriptors

Identifiers for sorting results.

## Topics

### Sample sort identifiers

[`let HKSampleSortIdentifierStartDate: String`](/documentation/HealthKit/HKSampleSortIdentifierStartDate)

A constant for sorting samples based on their start date.

[`let HKSampleSortIdentifierEndDate: String`](/documentation/HealthKit/HKSampleSortIdentifierEndDate)

A constant for sorting samples based on their end date.

### Workout sort identifiers

[`let HKWorkoutSortIdentifierDuration: String`](/documentation/HealthKit/HKWorkoutSortIdentifierDuration)

A constant for sorting workouts based on their duration.

[`let HKWorkoutSortIdentifierTotalDistance: String`](/documentation/HealthKit/HKWorkoutSortIdentifierTotalDistance)

A constant for sorting workouts based on their total distance.

[`let HKWorkoutSortIdentifierTotalFlightsClimbed: String`](/documentation/HealthKit/HKWorkoutSortIdentifierTotalFlightsClimbed)

A constant for sorting workouts based on the number of flights of steps climbed.

[`let HKWorkoutSortIdentifierTotalEnergyBurned: String`](/documentation/HealthKit/HKWorkoutSortIdentifierTotalEnergyBurned)

A constant for sorting workouts based on the total energy burned.

[`let HKWorkoutSortIdentifierTotalSwimmingStrokeCount: String`](/documentation/HealthKit/HKWorkoutSortIdentifierTotalSwimmingStrokeCount)

A constant for sorting workouts based on the number of swimming strokes.


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