---
title: availableEncodeChannelLayoutTags
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avaudioconverter/availableencodechannellayouttags
---

# availableEncodeChannelLayoutTags

An array of all output channel layout tags the codec provides when encoding.

## Declaration

```swift
var availableEncodeChannelLayoutTags: [NSNumber]? { get }
```

## Discussion

Discussion This property returns nil if you’re not encoding.

## See Also

### Getting Bit Rate Properties

- [applicableEncodeBitRates](avfaudio/avaudioconverter/applicableencodebitrates.md)
- [availableEncodeBitRates](avfaudio/avaudioconverter/availableencodebitrates.md)
- [bitRate](avfaudio/avaudioconverter/bitrate.md)
- [bitRateStrategy](avfaudio/avaudioconverter/bitratestrategy.md)