---
title: Notification names
framework: uikit
role: collectionGroup
role_heading: API Collection
path: uikit/notification-names
---

# Notification names

The names of notifications that the accessibility system generates.

## Topics

### UI changes

- [screenChanged](uikit/uiaccessibility/notification/screenchanged.md)
- [layoutChanged](uikit/uiaccessibility/notification/layoutchanged.md)
- [pageScrolled](uikit/uiaccessibility/notification/pagescrolled.md)
- [switchControlStatusDidChangeNotification](uikit/uiaccessibility/switchcontrolstatusdidchangenotification.md)
- [elementFocusedNotification](uikit/uiaccessibility/elementfocusednotification.md)
- [reduceTransparencyStatusDidChangeNotification](uikit/uiaccessibility/reducetransparencystatusdidchangenotification.md)
- [buttonShapesEnabledStatusDidChangeNotification](uikit/uiaccessibility/buttonshapesenabledstatusdidchangenotification.md)

### VoiceOver

- [announcement](uikit/uiaccessibility/notification/announcement.md)
- [voiceOverStatusDidChangeNotification](uikit/uiaccessibility/voiceoverstatusdidchangenotification.md)
- [announcementDidFinishNotification](uikit/uiaccessibility/announcementdidfinishnotification.md)
- [UIAccessibilityVoiceOverStatusChanged](uikit/uiaccessibilityvoiceoverstatuschanged.md)

### Text

- [boldTextStatusDidChangeNotification](uikit/uiaccessibility/boldtextstatusdidchangenotification.md)
- [closedCaptioningStatusDidChangeNotification](uikit/uiaccessibility/closedcaptioningstatusdidchangenotification.md)

### Colors

- [darkerSystemColorsStatusDidChangeNotification](uikit/uiaccessibility/darkersystemcolorsstatusdidchangenotification.md)
- [grayscaleStatusDidChangeNotification](uikit/uiaccessibility/grayscalestatusdidchangenotification.md)
- [invertColorsStatusDidChangeNotification](uikit/uiaccessibility/invertcolorsstatusdidchangenotification.md)

### Assistive apps

- [assistiveTouchStatusDidChangeNotification](uikit/uiaccessibility/assistivetouchstatusdidchangenotification.md)
- [guidedAccessStatusDidChangeNotification](uikit/uiaccessibility/guidedaccessstatusdidchangenotification.md)
- [pauseAssistiveTechnology](uikit/uiaccessibility/notification/pauseassistivetechnology.md)
- [resumeAssistiveTechnology](uikit/uiaccessibility/notification/resumeassistivetechnology.md)
- [UIAccessibility.AssistiveTechnologyIdentifier](uikit/uiaccessibility/assistivetechnologyidentifier.md)

### Audio and speech

- [monoAudioStatusDidChangeNotification](uikit/uiaccessibility/monoaudiostatusdidchangenotification.md)
- [speakScreenStatusDidChangeNotification](uikit/uiaccessibility/speakscreenstatusdidchangenotification.md)
- [speakSelectionStatusDidChangeNotification](uikit/uiaccessibility/speakselectionstatusdidchangenotification.md)
- [hearingDevicePairedEarDidChangeNotification](uikit/uiaccessibility/hearingdevicepairedeardidchangenotification.md)

### Motion

- [reduceMotionStatusDidChangeNotification](uikit/uiaccessibility/reducemotionstatusdidchangenotification.md)
- [shakeToUndoDidChangeNotification](uikit/uiaccessibility/shaketoundodidchangenotification.md)

## See Also

### Notifications

- [Notification dictionary keys](uikit/notification-dictionary-keys.md)
- [post(notification:argument:)](uikit/uiaccessibility/post(notification:argument:).md)