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# HKAsyncQuery

A protocol that defines an asynchronous method for running queries.

```
protocol HKAsyncQuery
```

## Topics

### Running Queries

[`associatedtype Output`](/documentation/HealthKit/HKAsyncQuery/Output)

[`func result(for: HKHealthStore) async throws -> Self.Output`](/documentation/HealthKit/HKAsyncQuery/result(for:))

Runs a one-shot query and asynchronously returns a snapshot of the current matching results.

## Relationships

### Conforming Types

[`HKStatisticsQueryDescriptor`](/documentation/HealthKit/HKStatisticsQueryDescriptor)

[`HKVerifiableClinicalRecordQueryDescriptor`](/documentation/HealthKit/HKVerifiableClinicalRecordQueryDescriptor)

[`HKWorkoutEffortRelationshipQueryDescriptor`](/documentation/HealthKit/HKWorkoutEffortRelationshipQueryDescriptor)

[`HKSampleQueryDescriptor`](/documentation/HealthKit/HKSampleQueryDescriptor)

[`HKActivitySummaryQueryDescriptor`](/documentation/HealthKit/HKActivitySummaryQueryDescriptor)

[`HKSourceQueryDescriptor`](/documentation/HealthKit/HKSourceQueryDescriptor)

[`HKUserAnnotatedMedicationQueryDescriptor`](/documentation/HealthKit/HKUserAnnotatedMedicationQueryDescriptor)

[`HKAnchoredObjectQueryDescriptor`](/documentation/HealthKit/HKAnchoredObjectQueryDescriptor)

[`HKStatisticsCollectionQueryDescriptor`](/documentation/HealthKit/HKStatisticsCollectionQueryDescriptor)

---

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