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# NSSpeechSynthesizer.Boundary

These constants are used to indicate where speech should be stopped and paused. See [`pauseSpeaking(at:)`](/documentation/AppKit/NSSpeechSynthesizer/pauseSpeaking(at:)) and [`stopSpeaking(at:)`](/documentation/AppKit/NSSpeechSynthesizer/stopSpeaking(at:)).

```
enum Boundary
```

## Topics

### Constants

[`case immediateBoundary`](/documentation/AppKit/NSSpeechSynthesizer/Boundary/immediateBoundary)

Speech should be paused or stopped immediately.

[`case wordBoundary`](/documentation/AppKit/NSSpeechSynthesizer/Boundary/wordBoundary)

Speech should be paused or stopped at the end of the word.

[`case sentenceBoundary`](/documentation/AppKit/NSSpeechSynthesizer/Boundary/sentenceBoundary)

Speech should be paused or stopped at the end of the sentence.

### Initializers

[`init?(rawValue: UInt)`](/documentation/AppKit/NSSpeechSynthesizer/Boundary/init(rawValue:))

## Relationships

### Conforms To

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

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

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

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

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

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

---

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