web3InterfacesLegacySendAsyncProviderOn this pageLegacySendAsyncProvider Index MethodssendAsyncMethods sendAsyncsendAsync<R, P>(payload: JsonRpcPayload<P>): Promise<JsonRpcResponse<R, JsonRpcResult>>Type parametersR = JsonRpcResultP = unknownParameterspayload: JsonRpcPayload<P>Returns Promise<JsonRpcResponse<R, JsonRpcResult>>