---
title: "init(layoutTag:)"
framework: avfaudio
role: symbol
role_heading: Initializer
path: "avfaudio/avaudiochannellayout/init(layouttag:)"
---

# init(layoutTag:)

Creates an audio channel layout object from a layout tag.

## Declaration

```swift
convenience init?(layoutTag: AudioChannelLayoutTag)
```

## Parameters

- `layoutTag`: The audio channel layout tag.

## Return Value

Return Value A new AVAudioChannelLayout object, or nil if layoutTag is kAudioChannelLayoutTag_UseChannelDescriptions or kAudioChannelLayoutTag_UseChannelBitmap.

## See Also

### Creating an Audio Channel Layout

- [init(layout:)](avfaudio/avaudiochannellayout/init(layout:).md)