# JS API Changes of the File Management Subsystem
The table below lists the APIs changes of the file management subsystem in OpenHarmony 3.2 Beta3 over OpenHarmony 3.2 Beta2.
## API Changes
| Module| Class| Method/Attribute/Enumeration/Constant| Change Type|
|---|---|---|---|
| ohos.data.fileAccess | FileAccessHelper | getRoots(): Promise\<RootIterator>;<br>getRoots(callback:AsyncCallback\<RootIterator>) : void; | Added|
| ohos.data.fileAccess | FileAccessHelper | access(sourceFileUri: string) : Promise\<boolean>;<br>access(sourceFileUri: string, callback: AsyncCallback\<boolean>) : void; | Added|
| ohos.data.fileAccess | FileAccessHelper | rename(uri: string, displayName: string) : Promise\<string>;<br>rename(uri: string, displayName: string, callback: AsyncCallback\<string>) : void; | Added|
| ohos.data.fileAccess | FileAccessHelper | move(sourceFile: string, destFile: string) : Promise\<string>;<br>move(sourceFile: string, destFile: string, callback: AsyncCallback\<string>) : void; | Added|
| ohos.data.fileAccess | FileAccessHelper | delete(uri: string) : Promise\<number>;<br>delete(uri: string, callback: AsyncCallback\<number>) : void; | Added|
| ohos.data.fileAccess | FileAccessHelper | mkDir(parentUri: string, displayName: string) : Promise\<string>;<br>mkDir(parentUri: string, displayName: string, callback: AsyncCallback\<string>) : void; | Added|
| ohos.data.fileAccess | FileAccessHelper | createFile(uri: string, displayName: string) : Promise\<string>;<br>createFile(uri: string, displayName: string, callback: AsyncCallback\<string>) : void; | Added|
| ohos.data.fileAccess | FileAccessHelper | openFile(uri: string, flags: OPENFLAGS) : Promise\<number>;<br>openFile(uri: string, flags: OPENFLAGS, callback: AsyncCallback\<number>) : void; | Added|
| ohos.data.fileAccess | OPENFLAGS | WRITE_READ = 0o2 | Added|
| ohos.data.fileAccess | OPENFLAGS | WRITE = 0o1 | Added|
| ohos.data.fileAccess | OPENFLAGS | READ = 0o0 | Added|
| ohos.data.fileAccess | RootIterator | next(): {value: RootInfo, done: boolean} | Added|
| ohos.data.fileAccess | RootInfo | scanFile(filter?: Filter): FileIterator; | Added|
| ohos.data.fileAccess | RootInfo | listFile(filter?: Filter): FileIterator; | Added|
| ohos.data.fileAccess | RootInfo | deviceFlags: number; | Added|
| ohos.data.fileAccess | RootInfo | displayName: string; | Added|
| ohos.data.fileAccess | RootInfo | uri: string; | Added|
| ohos.data.fileAccess | RootInfo | deviceType: number; | Added|
| ohos.data.fileAccess | FileIterator | next(): {value: FileInfo, done: boolean} | Added|
| ohos.data.fileAccess | FileInfo | scanFile(filter?: Filter): FileIterator; | Added|
| ohos.data.fileAccess | FileInfo | listFile(filter?: Filter): FileIterator; | Added|
| ohos.data.fileAccess | FileInfo | mimeType: string; | Added|
| ohos.data.fileAccess | FileInfo | mtime: number; | Added|
| ohos.data.fileAccess | FileInfo | size: number; | Added|
| ohos.data.fileAccess | FileInfo | mode: number; | Added|
| ohos.data.fileAccess | FileInfo | fileName: string; | Added|
| ohos.data.fileAccess | FileInfo | uri: string; | Added|
| ohos.data.fileAccess | fileAccess | createFileAccessHelper(context: Context): FileAccessHelper;<br>createFileAccessHelper(context: Context, wants: Array\<Want>): FileAccessHelper; | Added|
| ohos.data.fileAccess | fileAccess | getFileAccessAbilityInfo(callback: AsyncCallback\<Array\<Want>>): void;<br>getFileAccessAbilityInfo(): Promise\<Array\<Want>>; | Added|
| ohos.fileExtensionInfo | DocumentFlag | const SUPPORTS_WRITE = 0b1000; | Added|
| ohos.fileExtensionInfo | DocumentFlag | const SUPPORTS_READ = 0b100; | Added|
| ohos.fileExtensionInfo | DocumentFlag | const REPRESENTS_DIR = 0b10; | Added|
| ohos.fileExtensionInfo | DocumentFlag | const REPRESENTS_FILE = 0b1; | Added|
| ohos.fileExtensionInfo | DeviceFlag | const SUPPORTS_WRITE = 0b10; | Added|
| ohos.fileExtensionInfo | DeviceFlag | const SUPPORTS_READ = 0b1; | Added|
| ohos.fileExtensionInfo | DeviceType | DEVICE_EXTERNAL_CLOUD | Added|
| ohos.fileExtensionInfo | DeviceType | DEVICE_EXTERNAL_USB | Added|
| ohos.fileExtensionInfo | DeviceType | DEVICE_EXTERNAL_MTP | Added|
| ohos.fileExtensionInfo | DeviceType | DEVICE_NETWORK_NEIGHBORHOODS | Added|
| ohos.fileExtensionInfo | DeviceType | DEVICE_SHARED_TERMINAL | Added|
| ohos.fileExtensionInfo | DeviceType | DEVICE_SHARED_DISK | Added|
| ohos.fileExtensionInfo | DeviceType | DEVICE_LOCAL_DISK = 1 | Added|
| ohos.filemanagement.userfile_manager | VirtualAlbum | getFileAssets(type: Array\<MediaType>, options: MediaFetchOptions, callback: AsyncCallback\<FetchFileResult>): void;<br>getFileAssets(type: Array\<MediaType>, options: MediaFetchOptions): Promise\<FetchFileResult>; | Added|
| ohos.filemanagement.userfile_manager | VirtualAlbumType | TYPE_TRASH | Added|
| ohos.filemanagement.userfile_manager | VirtualAlbumType | TYPE_FAVORITE | Added|
| ohos.filemanagement.userfile_manager | PeerInfo | readonly isOnline: boolean; | Added|
| ohos.filemanagement.userfile_manager | PeerInfo | readonly networkId: string; | Added|
| ohos.filemanagement.userfile_manager | PeerInfo | readonly deviceName: string; | Added|
| ohos.filemanagement.userfile_manager | Size | height: number; | Added|
| ohos.filemanagement.userfile_manager | Size | width: number; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | release(callback: AsyncCallback\<void>): void;<br>release(): Promise\<void>; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | getAllPeers(callback: AsyncCallback\<Array\<PeerInfo>>): void;<br>getAllPeers(): Promise\<Array\<PeerInfo>>; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | getActivePeers(callback: AsyncCallback\<Array\<PeerInfo>>): void;<br>getActivePeers(): Promise\<Array\<PeerInfo>>; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | getPrivateAlbum(type: VirtualAlbumType, callback: AsyncCallback\<Array\<VirtualAlbum>>): void;<br>getPrivateAlbum(type: VirtualAlbumType): Promise\<Array\<VirtualAlbum>>; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | getAlbums(type: Array\<MediaType>, options: MediaFetchOptions, callback: AsyncCallback\<Array\<Album>>): void;<br>getAlbums(type: Array\<MediaType>, options: MediaFetchOptions): Promise\<Array\<Album>>; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | deleteAsset(uri: string, callback: AsyncCallback\<void>): void;<br>deleteAsset(uri: string): Promise\<void>; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | createAsset(mediaType: MediaType, displayName: string, relativePath: string, callback: AsyncCallback\<FileAsset>): void;<br>createAsset(mediaType: MediaType, displayName: string, relativePath: string): Promise\<FileAsset>; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | off(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback?: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | off(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback?: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | off(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback?: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | off(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback?: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | off(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback?: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | off(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback?: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | off(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback?: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | on(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | on(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | on(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | on(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | on(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | on(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | on(type: 'deviceChange'\|'albumChange'\|'imageChange'\|'audioChange'\|'videoChange'\|'fileChange'\|'remoteFileChange', callback: Callback\<void>): void; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | getFileAssets(type: Array\<MediaType>, options: MediaFetchOptions, callback: AsyncCallback\<FetchFileResult>): void;<br>getFileAssets(type: Array\<MediaType>, options: MediaFetchOptions): Promise\<FetchFileResult>; | Added|
| ohos.filemanagement.userfile_manager | UserFileManager | getPublicDirectory(type: DirectoryType, callback: AsyncCallback\<string>): void;<br>getPublicDirectory(type: DirectoryType): Promise\<string>; | Added|
| ohos.filemanagement.userfile_manager | DirectoryType | DIR_DOWNLOAD | Added|
| ohos.filemanagement.userfile_manager | DirectoryType | DIR_DOCUMENTS | Added|
| ohos.filemanagement.userfile_manager | DirectoryType | DIR_AUDIO | Added|
| ohos.filemanagement.userfile_manager | DirectoryType | DIR_IMAGE | Added|
| ohos.filemanagement.userfile_manager | DirectoryType | DIR_VIDEO | Added|
| ohos.filemanagement.userfile_manager | DirectoryType | DIR_CAMERA = 0 | Added|
| ohos.filemanagement.userfile_manager | Album | getFileAssets(type: Array\<MediaType>, callback: AsyncCallback\<FetchFileResult>): void;<br>getFileAssets(type: Array\<MediaType>, options: MediaFetchOptions, callback: AsyncCallback\<FetchFileResult>): void;<br>getFileAssets(type: Array\<MediaType>, options?: MediaFetchOptions): Promise\<FetchFileResult>; | Added|
| ohos.filemanagement.userfile_manager | Album | commitModify(callback: AsyncCallback\<void>): void;<br>commitModify(): Promise\<void>; | Added|
| ohos.filemanagement.userfile_manager | Album | readonly coverUri: string; | Added|
| ohos.filemanagement.userfile_manager | Album | readonly relativePath: string; | Added|
| ohos.filemanagement.userfile_manager | Album | readonly count: number; | Added|
| ohos.filemanagement.userfile_manager | Album | readonly dateModified: number; | Added|
| ohos.filemanagement.userfile_manager | Album | readonly albumUri: string; | Added|
| ohos.filemanagement.userfile_manager | Album | albumName: string; | Added|
| ohos.filemanagement.userfile_manager | FetchFileResult | getPositionObject(index: number, callback: AsyncCallback\<FileAsset>): void;<br>getPositionObject(index: number): Promise\<FileAsset>; | Added|
| ohos.filemanagement.userfile_manager | FetchFileResult | getLastObject(callback: AsyncCallback\<FileAsset>): void;<br>getLastObject(): Promise\<FileAsset>; | Added|
| ohos.filemanagement.userfile_manager | FetchFileResult | getNextObject(callback: AsyncCallback\<FileAsset>): void;<br>getNextObject(): Promise\<FileAsset>; | Added|
| ohos.filemanagement.userfile_manager | FetchFileResult | getFirstObject(callback: AsyncCallback\<FileAsset>): void;<br>getFirstObject(): Promise\<FileAsset>; | Added|
| ohos.filemanagement.userfile_manager | FetchFileResult | close(): void; | Added|
| ohos.filemanagement.userfile_manager | FetchFileResult | isAfterLast(): boolean; | Added|
| ohos.filemanagement.userfile_manager | FetchFileResult | getCount(): number; | Added|
| ohos.filemanagement.userfile_manager | MediaFetchOptions | selectionArgs: Array\<string>; | Added|
| ohos.filemanagement.userfile_manager | MediaFetchOptions | selections: string; | Added|
| ohos.filemanagement.userfile_manager | AlbumKey | DATE_MODIFIED = "date_modified" | Added|
| ohos.filemanagement.userfile_manager | AlbumKey | DATE_ADDED = "date_added" | Added|
| ohos.filemanagement.userfile_manager | AlbumKey | DISPLAY_NAME = "display_name" | Added|
| ohos.filemanagement.userfile_manager | AlbumKey | RELATIVE_PATH = "relative_path" | Added|
| ohos.filemanagement.userfile_manager | AlbumKey | URI = "uri" | Added|
| ohos.filemanagement.userfile_manager | ImageVideoKey | DATE_TAKEN = "date_taken" | Added|
| ohos.filemanagement.userfile_manager | ImageVideoKey | HEIGHT = "height" | Added|
| ohos.filemanagement.userfile_manager | ImageVideoKey | WIDTH = "width" | Added|
| ohos.filemanagement.userfile_manager | ImageVideoKey | DURATION = "duration" | Added|
| ohos.filemanagement.userfile_manager | ImageVideoKey | TITLE = "title" | Added|
| ohos.filemanagement.userfile_manager | ImageVideoKey | DATE_MODIFIED = "date_modified" | Added|
| ohos.filemanagement.userfile_manager | ImageVideoKey | DATE_ADDED = "date_added" | Added|
| ohos.filemanagement.userfile_manager | ImageVideoKey | DISPLAY_NAME = "display_name" | Added|
| ohos.filemanagement.userfile_manager | ImageVideoKey | RELATIVE_PATH = "relative_path" | Added|
| ohos.filemanagement.userfile_manager | ImageVideoKey | URI = "uri" | Added|
| ohos.filemanagement.userfile_manager | AudioKey | DURATION = "duration" | Added|
| ohos.filemanagement.userfile_manager | AudioKey | AUDIOALBUM = "audio_album" | Added|
| ohos.filemanagement.userfile_manager | AudioKey | ARTIST = "artist" | Added|
| ohos.filemanagement.userfile_manager | AudioKey | TITLE = "title" | Added|
| ohos.filemanagement.userfile_manager | AudioKey | DATE_MODIFIED = "date_modified" | Added|
| ohos.filemanagement.userfile_manager | AudioKey | DATE_ADDED = "date_added" | Added|
| ohos.filemanagement.userfile_manager | AudioKey | DISPLAY_NAME = "display_name" | Added|
| ohos.filemanagement.userfile_manager | AudioKey | RELATIVE_PATH = "relative_path" | Added|
| ohos.filemanagement.userfile_manager | AudioKey | URI = "uri" | Added|
| ohos.filemanagement.userfile_manager | FileKey | TITLE = "title" | Added|
| ohos.filemanagement.userfile_manager | FileKey | DATE_MODIFIED = "date_modified" | Added|
| ohos.filemanagement.userfile_manager | FileKey | DATE_ADDED = "date_added" | Added|
| ohos.filemanagement.userfile_manager | FileKey | DISPLAY_NAME = "display_name" | Added|
| ohos.filemanagement.userfile_manager | FileKey | RELATIVE_PATH = "relative_path" | Added|
| ohos.filemanagement.userfile_manager | FileKey | URI = "uri" | Added|
| ohos.filemanagement.userfile_manager | FileAsset | isTrash(callback: AsyncCallback\<boolean>): void;<br>isTrash():Promise\<boolean>; | Added|
| ohos.filemanagement.userfile_manager | FileAsset | trash(isTrash: boolean, callback: AsyncCallback\<void>): void;<br>trash(isTrash: boolean): Promise\<void>; | Added|
| ohos.filemanagement.userfile_manager | FileAsset | isFavorite(callback: AsyncCallback\<boolean>): void;<br>isFavorite():Promise\<boolean>; | Added|
| ohos.filemanagement.userfile_manager | FileAsset | favorite(isFavorite: boolean, callback: AsyncCallback\<void>): void;<br>favorite(isFavorite: boolean): Promise\<void>; | Added|
| ohos.filemanagement.userfile_manager | FileAsset | getThumbnail(callback: AsyncCallback\<image.PixelMap>): void;<br>getThumbnail(size: Size, callback: AsyncCallback\<image.PixelMap>): void;<br>getThumbnail(size?: Size): Promise\<image.PixelMap>; | Added|
| ohos.filemanagement.userfile_manager | FileAsset | close(fd: number, callback: AsyncCallback\<void>): void;<br>close(fd: number): Promise\<void>; | Added|
| ohos.filemanagement.userfile_manager | FileAsset | open(mode: string, callback: AsyncCallback\<number>): void;<br>open(mode: string): Promise\<number>; | Added|
| ohos.filemanagement.userfile_manager | FileAsset | commitModify(callback: AsyncCallback\<void>): void;<br>commitModify(): Promise\<void>; | Added|
| ohos.filemanagement.userfile_manager | FileAsset | isDirectory(callback: AsyncCallback\<boolean>): void;<br>isDirectory():Promise\<boolean>; | Added|
| ohos.filemanagement.userfile_manager | FileAsset | displayName: string; | Added|
| ohos.filemanagement.userfile_manager | FileAsset | readonly mediaType: MediaType; | Added|
| ohos.filemanagement.userfile_manager | FileAsset | readonly uri: string; | Added|
| ohos.filemanagement.userfile_manager | MediaType | AUDIO | Added|
| ohos.filemanagement.userfile_manager | MediaType | VIDEO | Added|
| ohos.filemanagement.userfile_manager | MediaType | IMAGE | Added|
| ohos.filemanagement.userfile_manager | MediaType | FILE = 0 | Added|
| ohos.filemanagement.userfile_manager | userfile_manager | getUserFileMgr(): UserFileManager;<br>getUserFileMgr(context: Context): UserFileManager; | Added|
| ohos.document | document | show(uri: string, type: string): Promise\<void>;<br>show(uri: string, type: string, callback: AsyncCallback\<void>): void; | Deprecated|
| ohos.document | document | choose(types?: string[]): Promise\<string>;<br>choose(callback: AsyncCallback\<string>): void;<br>choose(types: string[], callback: AsyncCallback\<string>): void; | Deprecated|