---
title: "init(scope:element:preset:)"
framework: audiotoolbox
role: symbol
role_heading: Initializer
path: "audiotoolbox/aupresetevent/init(scope:element:preset:)"
---

# init(scope:element:preset:)

## Declaration

```swift
init(scope: AudioUnitScope, element: AudioUnitElement, preset: Unmanaged<CFPropertyList>)
```