---
title: didChangeAutomaticPeriodSubstitutionNotification
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nsspellchecker/didchangeautomaticperiodsubstitutionnotification
---

# didChangeAutomaticPeriodSubstitutionNotification

To observe this notification using Swift concurrency, use NSSpellChecker.DidChangeAutomaticPeriodSubstitutionMessage.

## Declaration

```swift
class let didChangeAutomaticPeriodSubstitutionNotification: NSNotification.Name
```

## See Also

### Type Properties

- [didChangeAutomaticCapitalizationNotification](appkit/nsspellchecker/didchangeautomaticcapitalizationnotification.md)
- [didChangeAutomaticDashSubstitutionNotification](appkit/nsspellchecker/didchangeautomaticdashsubstitutionnotification.md)
- [didChangeAutomaticQuoteSubstitutionNotification](appkit/nsspellchecker/didchangeautomaticquotesubstitutionnotification.md)
- [didChangeAutomaticTextCompletionNotification](appkit/nsspellchecker/didchangeautomatictextcompletionnotification.md)
- [isAutomaticCapitalizationEnabled](appkit/nsspellchecker/isautomaticcapitalizationenabled.md)
- [isAutomaticDashSubstitutionEnabled](appkit/nsspellchecker/isautomaticdashsubstitutionenabled.md)
- [isAutomaticInlinePredictionEnabled](appkit/nsspellchecker/isautomaticinlinepredictionenabled.md)
- [isAutomaticPeriodSubstitutionEnabled](appkit/nsspellchecker/isautomaticperiodsubstitutionenabled.md)
- [isAutomaticQuoteSubstitutionEnabled](appkit/nsspellchecker/isautomaticquotesubstitutionenabled.md)
- [isAutomaticSpellingCorrectionEnabled](appkit/nsspellchecker/isautomaticspellingcorrectionenabled.md)
- [isAutomaticTextCompletionEnabled](appkit/nsspellchecker/isautomatictextcompletionenabled.md)
- [isAutomaticTextReplacementEnabled](appkit/nsspellchecker/isautomatictextreplacementenabled.md)