# JS API Changes of the Accessibility Subsystem

The table below lists the APIs changes of the accessibility subsystem in OpenHarmony 3.2 Beta3 over OpenHarmony 3.2 Beta2.

## API Changes

| Module| Class| Method/Attribute/Enumeration/Constant| Change Type|
|---|---|---|---|
| AccessibilityExtensionContext | AccessibilityExtensionContext | injectGesture(gesturePath: GesturePath): Promise\<void>;<br>injectGesture(gesturePath: GesturePath, callback: AsyncCallback\<void>): void;                                                                                  | Added|
| ohos.accessibility.config     | Config                        | off(callback?: Callback\<T>): void;                                                                                                                                                                                          | Added|
| ohos.accessibility.config     | Config                        | on(callback: Callback\<T>): void;                                                                                                                                                                                            | Added|
| ohos.accessibility.config     | Config                        | get(): Promise\<T>;<br>get(callback: AsyncCallback\<T>): void;                                                                                                                                                              | Added|
| ohos.accessibility.config     | Config                        | set(value: T): Promise\<void>;<br>set(value: T, callback: AsyncCallback\<void>): void;                                                                                                                                      | Added|
| ohos.accessibility.config     | config                        | function off(type: 'enableAbilityListsStateChanged', callback?: Callback\<void>): void;                                                                                                                                      | Added|
| ohos.accessibility.config     | config                        | function on(type: 'enableAbilityListsStateChanged', callback: Callback\<void>): void;                                                                                                                                        | Added|
| ohos.accessibility.config     | config                        | function disableAbility(name: string): Promise\<void>;<br>function disableAbility(name: string, callback: AsyncCallback\<void>): void;                                                                                      | Added|
| ohos.accessibility.config     | config                        | function enableAbility(name: string, capability: Array\<accessibility.Capability>): Promise\<void>;<br>function enableAbility(name: string, capability: Array\<accessibility.Capability>, callback: AsyncCallback\<void>): void; | Added|
| ohos.accessibility.config     | config                        | var captionsStyle: Config\<accessibility.CaptionsStyle>;                                                                                                                                                                     | Added|
| ohos.accessibility.config     | config                        | var captions: Config\<boolean>;                                                                                                                                                                                              | Added|
| ohos.accessibility.config     | config                        | var shortkeyTarget: Config\<string>;                                                                                                                                                                                         | Added|
| ohos.accessibility.config     | config                        | var shortkey: Config\<boolean>;                                                                                                                                                                                              | Added|
| ohos.accessibility.config     | config                        | var mouseAutoClick: Config\<number>;                                                                                                                                                                                         | Added|
| ohos.accessibility.config     | config                        | var mouseKey: Config\<boolean>;                                                                                                                                                                                              | Added|
| ohos.accessibility.config     | config                        | var brightnessDiscount: Config\<number>;                                                                                                                                                                                     | Added|
| ohos.accessibility.config     | config                        | var animationOff: Config\<boolean>;                                                                                                                                                                                          | Added|
| ohos.accessibility.config     | config                        | var contentTimeout: Config\<number>;                                                                                                                                                                                         | Added|
| ohos.accessibility.config     | config                        | var daltonizationColorFilter: Config\<DaltonizationColorFilter>;                                                                                                                                                             | Added|
| ohos.accessibility.config     | config                        | var invertColor: Config\<boolean>;                                                                                                                                                                                           | Added|
| ohos.accessibility.config     | config                        | var highContrastText: Config\<boolean>;                                                                                                                                                                                      | Added|
| AccessibilityExtensionContext | AccessibilityExtensionContext | gestureInject(gesturePath: GesturePath, listener: Callback\<boolean>): Promise\<boolean>;<br>gestureInject(gesturePath: GesturePath, listener: Callback\<boolean>, callback: AsyncCallback\<boolean>): void; | Deleted|
| AccessibilityExtensionContext | AccessibilityExtensionContext | setEventTypeFilter(type: Array\<accessibility.EventType>): Promise\<boolean>;<br>setEventTypeFilter(type: Array\<accessibility.EventType>, callback: AsyncCallback\<boolean>): boolean;                 | Deleted|