---
title: "init(Open:Close:Lookup:reserved:)"
framework: audiotoolbox
role: symbol
role_heading: Initializer
path: "audiotoolbox/audiocomponentplugininterface/init(open:close:lookup:reserved:)-1hqa3"
---

# init(Open:Close:Lookup:reserved:)

## Declaration

```swift
init(Open: (UnsafeMutableRawPointer, AudioComponentInstance) -> OSStatus, Close: (UnsafeMutableRawPointer) -> OSStatus, Lookup: (Int16) -> AudioComponentMethod?, reserved: UnsafeMutableRawPointer?)
```