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# ParameterEvent

Describes an audio unit parameter automation event.

```
struct ParameterEvent
```

## Topics

### Properties

[`element`](/documentation/AudioToolbox/ParameterEvent/element)

[`parameterID`](/documentation/AudioToolbox/ParameterEvent/parameterID)

[`scope`](/documentation/AudioToolbox/ParameterEvent/scope)

[`value`](/documentation/AudioToolbox/ParameterEvent/value)

## Relationships

### Conforms To

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

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

---

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