---
title: languageCode
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avassetwriterinput/languagecode
---

# languageCode

The language code of the input’s track.

## Declaration

```swift
var languageCode: String? { get set }
```

## Discussion

Discussion Specify an ISO 639-2/T language code value, or nil to prevent the writer from writing a language code.

## See Also

### Configuring language support

- [extendedLanguageTag](avfoundation/avassetwriterinput/extendedlanguagetag.md)