1# JS API Changes of the DSoftBus Subsystem 2 3The table below lists the APIs changes of the DSoftBus subsystem in OpenHarmony 3.2 Beta2 over OpenHarmony 3.2 Beta1. 4 5## API Changes 6 7| Module| Class| Method/Attribute/Enumeration/Constant| Change Type| 8|---|---|---|---| 9| ohos.rpc | RemoteProxy | sendRequestAsync(code: number, data: MessageParcel, reply: MessageParcel, options: MessageOption): Promise\<SendRequestResult>; | Added| 10| ohos.rpc | RemoteObject | sendRequestAsync(code: number, data: MessageParcel, reply: MessageParcel, options: MessageOption): Promise\<SendRequestResult>; | Added| 11| ohos.rpc | IRemoteObject | sendRequestAsync(code: number, data: MessageParcel, reply: MessageParcel, options: MessageOption): Promise\<SendRequestResult>; | Added| 12