syntax = "proto3"; option csharp_namespace = "GrpcService1"; import "google/api/annotations.proto"; package greet; // The greeting service definition. service Greeter { rpc SayHello (HelloRequest) returns (HelloReply) { option (google.api.http) = { get: "/v1/greeter/{name}" }; } } // The request message containing the user's name. message HelloRequest { string name = 1; } // The response message containing the greetings. message HelloReply { string message = 1; }