static void Main(string[] args) { //New up (instantiate) an instance of your Greeter class inside your Main method. From this instance call all of the methods you've built out. Greeter callClassGreeter = new Greeter(); //new instance of Greeter class callClassGreeter.GetUserName("Lindsey"); //used new object of Greeter class to call GetUserName method with "." to link to Week2ChallengeRepo. string value = callClassGreeter.GetUserName2("Erick"); Console.WriteLine(value); Console.ReadLine(); callClassGreeter.GoodbyeUserName("Lindsey"); callClassGreeter.TimeofDay(); }