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# AVVideoCompositionLayerInstruction.OpacityRamp

```
struct OpacityRamp
```

## Topics

### Creating an opacity ramp

[`init(timeRange: CMTimeRange, start: Float, end: Float)`](/documentation/AVFoundation/AVVideoCompositionLayerInstruction/OpacityRamp/init(timeRange:start:end:))

### Inspecting the opacity ramp

[`var end: Float`](/documentation/AVFoundation/AVVideoCompositionLayerInstruction/OpacityRamp/end)

[`var start: Float`](/documentation/AVFoundation/AVVideoCompositionLayerInstruction/OpacityRamp/start)

[`var timeRange: CMTimeRange`](/documentation/AVFoundation/AVVideoCompositionLayerInstruction/OpacityRamp/timeRange)

## Relationships

### Conforms To

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`Equatable`](/documentation/Swift/Equatable)

[`Sendable`](/documentation/Swift/Sendable)

---

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