Api/Netina.Common/Extensions/RandomExtensions.cs

namespace Netina.Common.Extensions
{
    public static class RandomExtensions
    {
        public static T RandomItem<T>(List<T> originList)
        {
            var random = new Random(DateTime.Now.Millisecond);
            var rand = random.Next(0, originList.Count - 1);
            return originList[rand];
        }
    }
}