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# NSSpeechRecognizerDelegate

A set of optional methods implemented by delegates of [`NSSpeechRecognizer`](/documentation/AppKit/NSSpeechRecognizer) objects.

```
protocol NSSpeechRecognizerDelegate : NSObjectProtocol
```

## Topics

### Recognizing Commands

[`speechRecognizer(_:didRecognizeCommand:)`](/documentation/AppKit/NSSpeechRecognizerDelegate/speechRecognizer(_:didRecognizeCommand:))

Invoked when the recognition engine has recognized the application command `command`.


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