hello-service.cs

[Route("/hello/{Name}", "GET")]
public class HelloRequest : IReturn<HelloResponse>
{
    public string Name { get; set; }
}

public class HelloResponse
{
    public string Result { get; set; }
}

public class HelloService : Service
{
    public object GET(HelloRequest request)
    {
        return new HelloResponse { Result = $"Hello, {request.Name}" };
    }
}