Part 4 - Startup.cs - 2

Startup.cs

// Import Swashbuckle.AspNetCore.SwaggerGen
// Import Swashbuckle.AspNetCore.SwaggerUI

public void ConfigureServices(IServiceCollection services)
{
    services.AddControllers().AddNewtonsoftJson(options =>
    {
        options.SerializerSettings.Converters.Add(new EnumerationJsonConverter());                
    });

    services.AddSwaggerGen(options =>
    {
        options.SwaggerDoc("v1", new OpenApiInfo {Title = "Enumeration NSwagger Sample", Version = "v1"});
    });
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    if (env.IsDevelopment())
    {
        app.UseDeveloperExceptionPage();

        app.UseSwagger();

        app.UseSwaggerUI(options =>
        {
            options.SwaggerEndpoint("v1/swagger.json", "Enumeration NSwagger Sample");
        });
    }

    app.UseHttpsRedirection();

    app.UseRouting();

    app.UseAuthorization();

    app.UseEndpoints(endpoints => { endpoints.MapControllers(); });
}