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# AVExtendedTempoEvent

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

```
class AVExtendedTempoEvent
```

## Topics

### Creating a Tempo Event

[`-  initWithTempo:`](/documentation/AVFAudio/AVExtendedTempoEvent/init(tempo:))

Creates an extended tempo event.

### Configuring a Tempo Event

[`tempo`](/documentation/AVFAudio/AVExtendedTempoEvent/tempo)

The tempo in beats per minute as a positive value.

## Relationships

### Conforms To

[`CVarArg`](/documentation/Swift/CVarArg)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

[`Hashable`](/documentation/Swift/Hashable)

[`Equatable`](/documentation/Swift/Equatable)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

### Inherits From

[`AVMusicEvent`](/documentation/AVFAudio/AVMusicEvent)

---

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