---
title: AVVideoCompositionLayerInstruction.OpacityRamp
framework: avfoundation
role: symbol
role_heading: Structure
path: avfoundation/avvideocompositionlayerinstruction/opacityramp
---

# AVVideoCompositionLayerInstruction.OpacityRamp

## Declaration

```swift
struct OpacityRamp
```

## Topics

### Creating an opacity ramp

- [init(timeRange:start:end:)](avfoundation/avvideocompositionlayerinstruction/opacityramp/init(timerange:start:end:).md)

### Inspecting the opacity ramp

- [end](avfoundation/avvideocompositionlayerinstruction/opacityramp/end.md)
- [start](avfoundation/avvideocompositionlayerinstruction/opacityramp/start.md)
- [timeRange](avfoundation/avvideocompositionlayerinstruction/opacityramp/timerange.md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Getting opacity, transform, and cropping ramps

- [cropRectangleRamp(at:)](avfoundation/avvideocompositionlayerinstruction/croprectangleramp(at:).md)
- [AVVideoCompositionLayerInstruction.CropRectangleRamp](avfoundation/avvideocompositionlayerinstruction/croprectangleramp.md)
- [getCropRectangleRamp(for:startCropRectangle:endCropRectangle:timeRange:)](avfoundation/avvideocompositionlayerinstruction/getcroprectangleramp(for:startcroprectangle:endcroprectangle:timerange:).md)
- [opacityRamp(at:)](avfoundation/avvideocompositionlayerinstruction/opacityramp(at:).md)
- [getOpacityRamp(for:startOpacity:endOpacity:timeRange:)](avfoundation/avvideocompositionlayerinstruction/getopacityramp(for:startopacity:endopacity:timerange:).md)
- [transformRamp(at:)](avfoundation/avvideocompositionlayerinstruction/transformramp(at:).md)
- [AVVideoCompositionLayerInstruction.TransformRamp](avfoundation/avvideocompositionlayerinstruction/transformramp.md)
- [getTransformRamp(for:start:end:timeRange:)](avfoundation/avvideocompositionlayerinstruction/gettransformramp(for:start:end:timerange:).md)