---
title: scope
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avparameterevent/scope
---

# scope

The audio unit scope for the parameter.

## Declaration

```swift
var scope: UInt32 { get set }
```

## See Also

### Configuring a Parameter Event

- [parameterID](avfaudio/avparameterevent/parameterid.md)
- [element](avfaudio/avparameterevent/element.md)
- [value](avfaudio/avparameterevent/value.md)