---
title: extendedLanguageTag
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avmetadataitem/extendedlanguagetag
---

# extendedLanguageTag

The IETF BCP 47 (RFC 4646) language identifier of the metadata item.

## Declaration

```swift
var extendedLanguageTag: String? { get }
```

## Discussion

Discussion The value may be nil if no language tag information is available.

## See Also

### Accessing language support

- [locale](avfoundation/avmetadataitem/locale.md)