---
title: "init(utf16Offset:in:)"
framework: swift
role: symbol
role_heading: Initializer
path: "swift/string/index/init(utf16offset:in:)"
---

# init(utf16Offset:in:)

Creates a new index at the specified UTF-16 code unit offset

## Declaration

```swift
init<S>(utf16Offset offset: Int, in s: S) where S : StringProtocol
```

## Parameters

- `offset`: An offset in UTF-16 code units.