---
title: "addOpacityRamp(_:)"
framework: avfoundation
role: symbol
role_heading: Instance Method
path: "avfoundation/avvideocompositionlayerinstruction/configuration/addopacityramp(_:)"
---

# addOpacityRamp(_:)

Sets an opacity ramp to apply during a specified time range.

## Declaration

```swift
mutating func addOpacityRamp(_ ramp: AVVideoCompositionLayerInstruction.OpacityRamp)
```

## See Also

### Configuring the opacity

- [setOpacity(_:at:)](avfoundation/avvideocompositionlayerinstruction/configuration/setopacity(_:at:).md)
- [opacityRamp(at:)](avfoundation/avvideocompositionlayerinstruction/configuration/opacityramp(at:).md)