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# play(_:)

Plays the MIDI sequence.

```
func play(_ completionHandler: (@Sendable () -> Void)? = nil)
```

## Parameters

`completionHandler`

A closure the system calls when playback completes.

## Topics

### Closures

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

A callback the system invokes when MIDI playback completes.


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