---
title: fourCharacter
framework: mediadevice
role: symbol
role_heading: Type Property
path: mediadevice/mediaoutputdevice/authorizationmethod/codelength/fourcharacter
---

# fourCharacter

A 4-character code.

## Declaration

```swift
static let fourCharacter: MediaOutputDevice.AuthorizationMethod.CodeLength
```

## Mentioned in

Creating a media device extension