---
title: start()
framework: avfaudio
role: symbol
role_heading: Instance Method
path: avfaudio/avaudiosequencer/start()
---

# start()

Starts the sequencer’s player.

## Declaration

```swift
func start() throws
```

## Discussion

Discussion If you don’t call prepareToPlay(), the framework calls it and then starts the player.

## See Also

### Operating an Audio Sequencer

- [prepareToPlay()](avfaudio/avaudiosequencer/preparetoplay().md)
- [stop()](avfaudio/avaudiosequencer/stop().md)