Applying Credit to an Invoice

1// Create a Map to store all the data of a Payment 2Map<String, Object> paymentMap = new Map<String, Object>(); 3paymentMap.put('DisplayName','Breadwinner Inc'); 4paymentMap.put('CustomerRef' , new Map<String, Object>{'value' => '71'}); 5 6// Providing zero as the total payment amount since we only want the credit note amount to be applied to an invoice. 7paymentMap.put('TotalAmt','0.00'); 8 9// Put the Invoice into the proper map 10Map<String,Object> invoiceLineMap= new Map<String, Object>(); 11invoiceLineMap.put('Amount','100'); 12 13Map<String,Object> invoiceLinkedTxnMap = new Map<String, Object>(); 14invoiceLinkedTxnMap.put('TxnId','243'); 15invoiceLinkedTxnMap.put('TxnType','Invoice'); 16 17List<object> invoiceLinkedTxnList = new List<object>(); 18invoiceLinkedTxnList .add(invoiceLinkedTxnMap); 19 20invoiceLineMap.put('LinkedTxn',invoiceLinkedTxnList ); 21 22// Put the CreditMemo into the proper map 23Map<String,Object> creditNoteLineMap = new Map<String, Object>(); 24creditNoteLineMap.put('Amount','100'); 25 26Map<String,Object> creditNoteLinkedTxnMap = new Map<String, Object>(); 27creditNoteLinkedTxnMap.put('TxnId','244'); 28creditNoteLinkedTxnMap.put('TxnType','CreditMemo'); 29 30List<object> creditNoteLinkedTxnList = new List<object>(); 31creditNoteLinkedTxnList .add(creditNoteLinkedTxnMap); 32 33creditNoteLineMap.put('LinkedTxn',creditNoteLinkedTxnList ); 34 35// Link the Invoice and Credit Memo to the Payment 36List<object> lineList = new List<object>(); 37lineList.add(invoiceLineMap); 38lineList.add(creditNoteLineMap); 39paymentMap.put('Line' ,lineList); 40 41// Initializing the RequestJSON Data to be passed. 42Map<String, Object> requestJSONMap = new Map<String, Object>(); 43requestJSONMap.put('payments', new List<Object>{paymentMap}); 44String reqJSON = JSON.serialize(requestJSONMap); 45 46Map<String, Object> reqObj = new Map<String, Object>(); 47reqObj.put('version', '1.0'); 48reqObj.put('action', 'createPayment'); 49reqObj.put('requestJSON', reqJSON); 50//Required, if QuickBooks Multi-Org is enabled in Breadwinner. 51//reqObj.put('qbOrgId', '4620816365285051610'); 52system.debug(reqJSON); 53 54// Placing a request to Breadwinner Global API 55Map<String, Object> respMap = breadwinner_qbo.BreadwinnerQBAPI.call(reqObj); 56System.debug(respMap);