Program.cs

using Microsoft.AspNetCore.Authentication.Cookies;
using WebApplication1;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddControllersWithViews();

builder.Services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)
	.AddCookie(options =>
	{
		options.EventsType = typeof(CustomCookieAuthenticationEvents);
	});

builder.Services.AddScoped<CustomCookieAuthenticationEvents>();

var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
	app.UseExceptionHandler("/Home/Error");
}
app.UseStaticFiles();

app.UseAuthentication();
app.UseAuthorization();

app.UseRouting();

app.UseAuthorization();

app.MapControllerRoute(
	name: "default",
	pattern: "{controller=Home}/{action=Index}/{id?}");

app.Run();