---
title: "init(_:)"
framework: avfoundation
role: symbol
role_heading: Initializer
path: "avfoundation/avmetadataextraattributekey/init(_:)"
---

# init(_:)

Creates an extra attribute key with a string.

## Declaration

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

## Parameters

- `rawValue`: A raw string value.

## See Also

### Initializers

- [init(rawValue:)](avfoundation/avmetadataextraattributekey/init(rawvalue:).md)