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# HKLiveWorkoutDataSource

A data source that automatically provides live data from an active workout session.

```
class HKLiveWorkoutDataSource
```

## Topics

### Creating a live data source

[`init(healthStore:workoutConfiguration:)`](/documentation/HealthKit/HKLiveWorkoutDataSource/init(healthStore:workoutConfiguration:))

Creates a new data source based on the provided workout configuration.

[`typesToCollect`](/documentation/HealthKit/HKLiveWorkoutDataSource/typesToCollect)

The quantity type samples that the data source automatically sends to the workout builder.

### Calculating statistics

[`enableCollection(for:predicate:)`](/documentation/HealthKit/HKLiveWorkoutDataSource/enableCollection(for:predicate:))

Begins automatically calculating statistics for samples that match the quantity type and predicate.

[`disableCollection(for:)`](/documentation/HealthKit/HKLiveWorkoutDataSource/disableCollection(for:))

Stops automatically calculating statistics for the quantity type.


---

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