---
title: timing
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/fromtobyanimation/timing
---

# timing

An option that determines the animation’s pace over time.

## Declaration

```swift
var timing: AnimationTimingFunction { get set }
```

## Discussion

Discussion Depending on the option you pick, the animation’s progress moves at varying speeds along its duration.

## See Also

### Timing the animation

- [speed](realitykit/fromtobyanimation/speed.md)
- [delay](realitykit/fromtobyanimation/delay.md)
- [duration](realitykit/fromtobyanimation/duration.md)
- [offset](realitykit/fromtobyanimation/offset.md)
- [trimDuration](realitykit/fromtobyanimation/trimduration.md)
- [trimStart](realitykit/fromtobyanimation/trimstart.md)
- [trimEnd](realitykit/fromtobyanimation/trimend.md)