Called to notify the widget provider that a widget has been updated. After obtaining the latest data, your application should call [updateForm](js-apis-app-form-formProvider.md#updateform) of **formProvider** to update the widget data.
Called to notify the widget provider that a widget is being updated. After obtaining the latest data, your application should call [updateForm](js-apis-app-form-formProvider.md#updateform) of **formProvider** to update the widget data.