---
title: kCATransactionAnimationDuration
framework: quartzcore
role: symbol
role_heading: Global Variable
path: quartzcore/kcatransactionanimationduration
---

# kCATransactionAnimationDuration

Duration, in seconds, for animations triggered within the transaction group.

## Declaration

```swift
let kCATransactionAnimationDuration: String
```

## Discussion

Discussion The value for this key must be an instance of NSNumber.

## See Also

### Constants

- [kCATransactionDisableActions](quartzcore/kcatransactiondisableactions.md)
- [kCATransactionAnimationTimingFunction](quartzcore/kcatransactionanimationtimingfunction.md)
- [kCATransactionCompletionBlock](quartzcore/kcatransactioncompletionblock.md)