---
title: AVExtendedTempoEvent
framework: avfaudio
role: symbol
role_heading: Class
path: avfaudio/avextendedtempoevent
---

# AVExtendedTempoEvent

An object that represents a tempo change to a specific beats-per-minute value.

## Declaration

```swift
class AVExtendedTempoEvent
```

## Topics

### Creating a Tempo Event

- [init(tempo:)](avfaudio/avextendedtempoevent/init(tempo:).md)

### Configuring a Tempo Event

- [tempo](avfaudio/avextendedtempoevent/tempo.md)

## Relationships

### Inherits From

- [AVMusicEvent](avfaudio/avmusicevent.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Handling Music Events

- [AVMusicEvent](avfaudio/avmusicevent.md)
- [AVMusicUserEvent](avfaudio/avmusicuserevent.md)
- [AVParameterEvent](avfaudio/avparameterevent.md)
- [AVAUPresetEvent](avfaudio/avaupresetevent.md)
- [AVExtendedNoteOnEvent](avfaudio/avextendednoteonevent.md)