---
title: "init(coder:)"
framework: foundation
role: symbol
role_heading: Initializer
path: "foundation/nsdictionary/init(coder:)"
---

# init(coder:)

Creates a dictionary initialized from data in the provided unarchiver.

## Declaration

```swift
init?(coder: NSCoder)
```

## Parameters

- `coder`: An unarchiver object.