Trans Void(card) Usage Invoke this API to reverse a transaction that dedicated by originalTraceNo. Transaction Flow The requested transaction will send to  e-Buy backend  server, it will firstly invoke  MIS-POS  for Card swape and password input. Once  MIS-POS  confirmed on both inputs, it will send back to  e-Buy backend  server to process. action voidCardSale Request body,Cashier POS===> e-Buy Backend Field Type Mandatory Description Memo traceNo String Yes Cashier terminal trace no. No repeat originalTraceNo String Yes last Cashier terminal trace no. Cashier terminal trace no. in last transaction acquirer String No Acquirer Bank Example:citicCashpay表示中信收单,如果收单撤销是必填的 Request body example { "traceNo": "99000009100010101732123", "originalTraceNo": "99000009100010101732124", "acquirer": "citicCashpay" } Response body, e-Buy Backend ===>Cashier POS Field Type Mandatory Description Memo traceNo String Yes Cashier terminal trace no. No repeat orderNo String Yes Order No. from e-Buy   transDate String Yes Transaction time Format:yyyyMMddHHmmss returnCode String Yes Return code 00 represent successful transaction, else represent fail returnDesc String Yes Return message Detail explanation / error message per transaction result discountCode String No Discount Code assigned by Cashier POS tenderCode String No Tender Code assigned by Cashier POS,record payment method,like:2016120101|20.00 is payment 20yuan fundChannel List< fundChannel > No Channel of fund   printDetail Object< printDetail > No Printing message Provided if required to print on the receipt memberDetail Object< memberDetail > No Member information Member info return message on this transaction Response body example { "traceNo": "99000009100010101732123", "orderNo": "171698602301", "transDate": "20161231120533", "returnCode": "00", "returnDesc": "SUCCESS", "discountCode": "0001", "tenderCode": "8001", "fundChannel": [ { "channelNo": "001", "channelName": "用户实付现金", "channelAmount": "20.8" }, { "channelNo": "002", "channelName": "用户积分支付", "channelAmount": "20" } ], "printDetail": { "cardNo64": "622562****8888", "bank": "中信银行", "paymentOrderNo": "201612315689412157458787", "pointSale": "20000", "qrCode1": "htt://www.api-location-url.com/url", "qrCode2": "", "qrCode3": "", "barCode1": "12345679", "barCode2": "", "barCode3": "" }, "memberDetail": { "memberId": "M000001545", "memberName": "TONY", "grade": "1", "status": "1", "balance": 1000.00, "pointBalance": 30000 } } Transaction support void cardPayment cardRedemption