---
title: kCATransactionAnimationTimingFunction
framework: quartzcore
role: symbol
role_heading: Global Variable
path: quartzcore/kcatransactionanimationtimingfunction
---

# kCATransactionAnimationTimingFunction

## Declaration

```swift
let kCATransactionAnimationTimingFunction: String
```

## Discussion

Discussion An instance of CAMediaTimingFunction that overrides the timing function for all animations triggered within the transaction group.

## See Also

### Constants

- [kCATransactionAnimationDuration](quartzcore/kcatransactionanimationduration.md)
- [kCATransactionDisableActions](quartzcore/kcatransactiondisableactions.md)
- [kCATransactionCompletionBlock](quartzcore/kcatransactioncompletionblock.md)