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# predicateForWorkouts(activityPredicate:)

Returns a predicate for matching workouts based on the associated workout activities.

```
class func predicateForWorkouts(activityPredicate: NSPredicate) -> NSPredicate
```

## Parameters

`activityPredicate`

A predicate that matches a particular set of workout activities.

## Discussion

The following example creates a predicate that matches workouts with an associated [`HKWorkoutActivityType.running`](/documentation/HealthKit/HKWorkoutActivityType/running) activity type.

```swift
let runningActivityPredicate =
HKQuery.predicateForWorkoutActivities(workoutActivityType: .running)

let workoutPredicate =
HKQuery.predicateForWorkouts(activityPredicate: runningActivityPredicate)
```

---

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