/// <summary>
        /// Performs payment transaction reverse. Note that reverse and refund are not the same!!! Reverse will succeed if debited amount is in "blocked" state on your credit card.
        /// </summary>
        /// <param name="UfcTransactionID">Transaction ID created in UFC system</param>
        /// <param name="AmountDebited">Amount that has been debited by this transaction</param>
        /// <returns></returns>
        public async Task<bool> ReverseUfcTransactionTaskAsync(string UfcTransactionID, int? AmountDebited)
        {
            var RequestParameters = new Dictionary<string, string>
            {
                { "command", "r" },
                { "trans_id", Uri.EscapeDataString(UfcTransactionID) },
                { "amount", AmountDebited.ToString() },
                {"client_ip_addr", IP }
            };
            await PostValuesTaskAsync(RequestParameters);
            var IsSuccess = ResponseString?.Contains("RESULT: OK") == true;
            return IsSuccess;
        }