---
title: CGMomentumScrollPhase.begin
framework: Core Graphics
role: symbol
role_heading: Case
path: coregraphics/cgmomentumscrollphase/begin
---

# CGMomentumScrollPhase.begin

## Declaration

```swift
case begin
```

## See Also

### Constants

- [CGMomentumScrollPhase.continuous](coregraphics/cgmomentumscrollphase/continuous.md)
- [CGMomentumScrollPhase.end](coregraphics/cgmomentumscrollphase/end.md)
- [CGMomentumScrollPhase.none](coregraphics/cgmomentumscrollphase/none.md)