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# UIAccessibility.Notification

An accessibility notification that an app can send.

```
struct Notification
```

## Topics

### Notifications

[`announcement`](/documentation/UIKit/UIAccessibility/Notification/announcement)

A notification that an app posts when it needs to convey an announcement to the assistive app.

[`layoutChanged`](/documentation/UIKit/UIAccessibility/Notification/layoutChanged)

A notification that an app posts when the layout of a screen changes.

[`screenChanged`](/documentation/UIKit/UIAccessibility/Notification/screenChanged)

A notification that an app posts when a new view appears that occupies a major portion of the screen.

[`pageScrolled`](/documentation/UIKit/UIAccessibility/Notification/pageScrolled)

A notification that an app posts when a scroll action completes.

[`pauseAssistiveTechnology`](/documentation/UIKit/UIAccessibility/Notification/pauseAssistiveTechnology)

A notification that pauses an assistive app’s operations temporarily.

[`resumeAssistiveTechnology`](/documentation/UIKit/UIAccessibility/Notification/resumeAssistiveTechnology)

A notification that resumes an assistive app’s operations temporarily.

[`UIAccessibility.AssistiveTechnologyIdentifier`](/documentation/UIKit/UIAccessibility/AssistiveTechnologyIdentifier)

Identifiers for assistive apps.

### Initializer

[`init(rawValue:)`](/documentation/UIKit/UIAccessibility/Notification/init(rawValue:))

Creates an accessibility notification with the specified raw value.


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