static void Main()
 {
     Console.WriteLine("LivePerson Engagement History API Example - LiveEngage");
     EngagementHistoryAPI test = new EngagementHistoryAPI();
     test.ListClients();
     Console.ReadKey();
 }
        static void Main()
        {
            Console.WriteLine("LivePerson Engagement History API Example - LiveEngage");
            EngagementHistoryAPI test = new EngagementHistoryAPI();

            test.ListClients();
            Console.ReadKey();
        }