Creating a Custom Exception

Program.cs

using System;
using System.Runtime.Serialization;

namespace implement_exception_handling
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.ReadKey();
        }
    }
    [Serializable]
    public class NotSoGreatException : Exception
    {
        public string NotSoGreatName { get; set; }
        public NotSoGreatException(string boringName)
        {
            NotSoGreatName = boringName;
            HelpLink = "https://medium.com/@luisdeolme/";
        }

        public NotSoGreatException(string boringName, string message) 
            : base(message)
        {
            NotSoGreatName = boringName;
            HelpLink = "https://medium.com/@luisdeolme/";
        }

        public NotSoGreatException(string boringName, string message, Exception innerException)
            : base(message, innerException)
        {
            NotSoGreatName = boringName;
            HelpLink = "https://medium.com/@luisdeolme/";
        }

        public NotSoGreatException(SerializationInfo serializationInfo, StreamingContext streamingContext)
        {
            NotSoGreatName = (string) serializationInfo.GetValue("NotSoGreatName", typeof(string));
        }
    }
}