ConfigureServices.cs

public void ConfigureServices(IServiceCollection services)
{
    services.AddOpenTelemetryTracing(builder =>
    {
        builder.SetResourceBuilder(ResourceBuilder.CreateDefault().AddService("AspNetCore"));
        builder.AddSource("AspNetCore");
        builder.AddZipkinExporter();
        builder.AddNServiceBusInstrumentation();
        builder.AddHttpClientInstrumentation();
        builder.AddAspNetCoreInstrumentation();
    });

    services.AddSales();
    services.AddShipping();
    services.AddControllers();
}