---
title: "CAClockSetPlayRate(_:_:)"
framework: audiotoolbox
role: symbol
role_heading: Function
path: "audiotoolbox/caclocksetplayrate(_:_:)"
---

# CAClockSetPlayRate(_:_:)

## Declaration

```swift
func CAClockSetPlayRate(_ inCAClock: CAClockRef, _ inPlayRate: Float64) -> OSStatus
```

## See Also

### Accessing Tempo Information

- [CAClockGetCurrentTempo(_:_:_:)](audiotoolbox/caclockgetcurrenttempo(_:_:_:).md)
- [CAClockSetCurrentTempo(_:_:_:)](audiotoolbox/caclocksetcurrenttempo(_:_:_:).md)
- [CAClockGetPlayRate(_:_:)](audiotoolbox/caclockgetplayrate(_:_:).md)
- [CAClockTempo](audiotoolbox/caclocktempo.md)
- [CATempoMapEntry](audiotoolbox/catempomapentry.md)