---
title: AccessibilitySettings.ApplicationAccessibilityEnabledDidChangeMessage
framework: Accessibility
role: symbol
role_heading: Structure
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+, watchOS 27.0+]
path: accessibility/accessibilitysettings/applicationaccessibilityenableddidchangemessage
---

# AccessibilitySettings.ApplicationAccessibilityEnabledDidChangeMessage

A type- and concurrency-safe NotificationCenter message posted when the value of isApplicationAccessibilityEnabled changes.

## Declaration

```swift
struct ApplicationAccessibilityEnabledDidChangeMessage
```

## Topics

### Initializers

- [init()](accessibility/accessibilitysettings/applicationaccessibilityenableddidchangemessage/init().md)

## Relationships

### Conforms To

- [NotificationCenter.MainActorMessage](foundation/notificationcenter/mainactormessage.md)
- [SendableMetatype](swift/sendablemetatype.md)