public static void Run()
        {
            // ExStart:CreatePrivateDistributionList
            IEWSClient client = EWSClient.GetEWSClient("https://outlook.office365.com/ews/exchange.asmx", "testUser", "pwd", "domain");
            ExchangeDistributionList distributionList = new ExchangeDistributionList();

            distributionList.DisplayName = "test private list";
            MailAddressCollection members = new MailAddressCollection();

            members.Add("*****@*****.**");
            members.Add("*****@*****.**");
            members.Add("*****@*****.**");
            client.CreateDistributionList(distributionList, members);
            // ExEnd:CreatePrivateDistributionList
        }