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# AVContentKeySystem

A key-delivery method for a content key session.

```
struct AVContentKeySystem
```

## Topics

### Key-delivery methods

[`fairPlayStreaming`](/documentation/AVFoundation/AVContentKeySystem/fairPlayStreaming)

A method of key delivery that uses FairPlay Streaming.

[`clearKey`](/documentation/AVFoundation/AVContentKeySystem/clearKey)

A method of key delivery that uses a clear key system.

[`authorizationToken`](/documentation/AVFoundation/AVContentKeySystem/authorizationToken)

A method of key delivery that uses a token to authorize playback.

### Initializers

[`init(rawValue:)`](/documentation/AVFoundation/AVContentKeySystem/init(rawValue:))

Creates a content key system with a string value.


---

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