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# audioExposureEvent

A category sample type for audio exposure events.

```
static let audioExposureEvent: HKCategoryTypeIdentifier
```

## Discussion

These samples use values from [`HKCategoryValueAudioExposureEvent`](/documentation/HealthKit/HKCategoryValueAudioExposureEvent).

## Topics

### Metadata Keys

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

The audio level associated with an audio event.


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