---
title: start
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avvideocompositionlayerinstruction/transformramp/start
---

# start

## Declaration

```swift
var start: CGAffineTransform
```

## See Also

### Inspecting the transform ramp

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