---
title: "init(identifier:)"
framework: foundation
role: symbol
role_heading: Initializer
path: "foundation/locale/init(identifier:)"
---

# init(identifier:)

Creates a locale with the specified identifier.

## Declaration

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

## Parameters

- `identifier`: A BCP-47 language identifier such as en_US or en-u-nu-thai-ca-buddhist, or an ICU-style identifier such as en@calendar=buddhist;numbers=thai.