/// <summary>
        /// Illustrate Member.GetTransaction
        /// </summary>
        /// <param name="payer">payer Token member</param>
        /// <param name="transfer">recently-completed transfer</param>
        /// <returns>a transaction</returns>
        public static Transaction GetTransactionSample(
            Member payer,
            Transfer transfer)
        {
            var accounts  = payer.GetAccounts().Result;
            var accountId = accounts[0].Id();

            var transactionId = transfer.TransactionId;
            var transaction   = payer.GetTransaction(accountId, transactionId, Standard).Result;

            return(transaction);
        }