Method with "params int[] numbers"

using System;

namespace MethodWithParams
{
    class Program
    {
        static void Main(string[] args)
        {
            MethodSum(1, 2, 3, 4, 5, 6);
            MethodSum(1, 2, 3, 4, 5, 6, 4, 7, 8, 9, 7, 5); // can invoke this method with different number of parameters
        }

        static void MethodSum(params int[] numbers)
        {
            int sum = 0;
            for (int i = 0; i < numbers.Length; i++)
            {
                sum += numbers[i];
            }

            Console.WriteLine(sum);
        }
    }
}