services.AddSwaggerGen(c =>
            {
                //The generated Swagger JSON file will have these properties.
                c.SwaggerDoc("v1", new Info
                {
                    Title = "Swagger XML Api",
                    Version = "v1",
                });

                //Locate the XML file being generated by ASP.NET...
                var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
                var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);

                //... and tell Swagger to use those XML comments.
                c.IncludeXmlComments(xmlPath);
            });
        }



            app.UseSwagger();
            app.UseSwaggerUI(c =>
            {
                c.SwaggerEndpoint("/swagger/v1/swagger.json", "Swagger XML Api v1");
            });