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# UITraitBridgedEnvironmentKey

```
protocol UITraitBridgedEnvironmentKey : EnvironmentKey
```

## Topics

### Reading trait values

[`static func read(from: UITraitCollection) -> Self.Value`](/documentation/UIKit/UITraitBridgedEnvironmentKey/read(from:))

### Writing trait values

[`static func write(to: inout any UIMutableTraits, value: Self.Value)`](/documentation/UIKit/UITraitBridgedEnvironmentKey/write(to:value:))

## Relationships

### Inherits From

[`EnvironmentKey`](/documentation/SwiftUI/EnvironmentKey)

---

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