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# HKCategoryValueEnvironmentalAudioExposureEvent

Exposure events for environmental audio.

```
enum HKCategoryValueEnvironmentalAudioExposureEvent
```

## Topics

### Events

[`case momentaryLimit`](/documentation/HealthKit/HKCategoryValueEnvironmentalAudioExposureEvent/momentaryLimit)

A brief exposure to a loud environment.

### Metadata Keys

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

The audio level associated with an audio event.

### Initializers

[`init?(rawValue: Int)`](/documentation/HealthKit/HKCategoryValueEnvironmentalAudioExposureEvent/init(rawValue:))

## Relationships

### Conforms To

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`Escapable`](/documentation/Swift/Escapable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

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

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

[`Sendable`](/documentation/Swift/Sendable)

[`Copyable`](/documentation/Swift/Copyable)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

---

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