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# speak(_:)

Adds the utterance you specify to the speech synthesizer’s queue.

```
func speak(_ utterance: AVSpeechUtterance)
```

## Parameters

`utterance`

An [`AVSpeechUtterance`](/documentation/AVFAudio/AVSpeechUtterance) instance that contains text to speak.

## Discussion

> Warning:
> Attempting to enqueue the same utterance more than once throws an exception.

---

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