---
title: tempo
framework: avfaudio
role: symbol
role_heading: Type Property
path: avfaudio/avaudiosequencer/infodictionarykey/tempo
---

# tempo

A key that represents the tempo.

## Declaration

```swift
static let tempo: AVAudioSequencer.InfoDictionaryKey
```

## See Also

### Getting the Duration and Time

- [approximateDurationInSeconds](avfaudio/avaudiosequencer/infodictionarykey/approximatedurationinseconds.md)
- [timeSignature](avfaudio/avaudiosequencer/infodictionarykey/timesignature.md)