---
title: "cropRectangleRamp(at:)"
framework: avfoundation
role: symbol
role_heading: Instance Method
path: "avfoundation/avvideocompositionlayerinstruction/croprectangleramp(at:)"
---

# cropRectangleRamp(at:)

Obtains the crop rectangle ramp that includes the specified time.

## Declaration

```swift
func cropRectangleRamp(at time: CMTime) -> AVVideoCompositionLayerInstruction.CropRectangleRamp?
```

## See Also

### Getting opacity, transform, and cropping ramps

- [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)
- [AVVideoCompositionLayerInstruction.OpacityRamp](avfoundation/avvideocompositionlayerinstruction/opacityramp.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)