// Use this for initialization void Start() { var client = new Example.Client("127.0.0.1", 9991); Debug.Log("Stating calling gRPC service to greet me 10 times"); // You can setup some timeout here... var ctx = new GrpcCancellationTokenSource(); AsyncServerStreamingCall <Example.HelloReply> call = client.SayHello(ctx, new Example.HelloRequest { Name = "CuriousUser!11one!one", NumGreetings = 10 }); // Schedule response parsing in async. call.ResponseStream.MoveNext().StartAsCoroutine <bool>(this.onNextFn(call)); }