---
title: "init(mDeviceUID:mChannelNumber:)"
framework: audiotoolbox
role: symbol
role_heading: Initializer
path: "audiotoolbox/audioqueuechannelassignment/init(mdeviceuid:mchannelnumber:)"
---

# init(mDeviceUID:mChannelNumber:)

## Declaration

```swift
init(mDeviceUID: Unmanaged<CFString>, mChannelNumber: UInt32)
```