---
title: "init(_:)"
framework: foundation
role: symbol
role_heading: Initializer
path: "foundation/locale/languagecode-swift.struct/init(_:)"
---

# init(_:)

Creates a language code from an identifier.

## Declaration

```swift
init(_ identifier: String)
```

## Parameters

- `identifier`: A two-letter ISO 639-1 or three-letter ISO 639-2 code, such as en for English. You can also use a code of your own choice for a custom language.

## See Also

### Creating a language code

- [init(stringLiteral:)](foundation/locale/languagecode-swift.struct/init(stringliteral:).md)