# JS API Changes of the Update Subsystem

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

## API Changes

| Module| Class| Method/Attribute/Enumeration/Constant| Change Type|
|---|---|---|---|
| ohos.update | Order                | INSTALL_AND_APPLY = 6                                                                                                                                                                                                                                                                                                | Added|
| ohos.update | Order                | DOWNLOAD_AND_INSTALL = 3                                                                                                                                                                                                                                                                                             | Added|
| ohos.update | NetType              | CELLULAR_AND_WIFI = 7                                                                                                                                                                                                                                                                                                | Added|
| ohos.update | NetType              | WIFI = 6                                                                                                                                                                                                                                                                                                             | Added|
| ohos.update | DescriptionFormat    | SIMPLIFIED = 1                                                                                                                                                                                                                                                                                                       | Added|
| ohos.update | DescriptionFormat    | STANDARD = 0                                                                                                                                                                                                                                                                                                         | Added|
| ohos.update | ComponentDescription | descriptionInfo: DescriptionInfo;                                                                                                                                                                                                                                                                                    | Added|
| ohos.update | ComponentDescription | componentId: string;                                                                                                                                                                                                                                                                                                 | Added|
| ohos.update | DescriptionOptions   | language: string;                                                                                                                                                                                                                                                                                                    | Added|
| ohos.update | DescriptionOptions   | format: DescriptionFormat;                                                                                                                                                                                                                                                                                           | Added|
| ohos.update | VersionComponent     | componentId: string;                                                                                                                                                                                                                                                                                                 | Added|
| ohos.update | Updater              | getCurrentVersionDescription(descriptionOptions: DescriptionOptions, callback: AsyncCallback<Array\<ComponentDescription>>): void;<br>getCurrentVersionDescription(descriptionOptions: DescriptionOptions): Promise<Array\<ComponentDescription>>;                                                                   | Added|
| ohos.update | Updater              | getNewVersionDescription(versionDigestInfo: VersionDigestInfo, descriptionOptions: DescriptionOptions, callback: AsyncCallback<Array\<ComponentDescription>>): void;<br>getNewVersionDescription(versionDigestInfo: VersionDigestInfo, descriptionOptions: DescriptionOptions): Promise<Array\<ComponentDescription>>; | Added|
| ohos.update | BusinessSubType | PARAM = 2 | Deleted|