Program.cs

using System;
using Microsoft.Extensions.Logging;

namespace ConsoleApplication
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var logFactory = new LoggerFactory()
            .AddConsole(LogLevel.Debug)
            .AddDebug();

            var logger = logFactory.CreateLogger("");

            logger.LogInformation("this is debug log");
        }
    }
}