BillPayment

{
   "ID": "",
   "IsCheck": "true/false",
   "APAccount": {
       "ID": "",
       "FullName": ""
   },
   "RefNumber": "",
   "Memo": "",
   "Account": {
       "ID": "",
       "FullName": "[required]"
        }, 
   "Vendor": {
       "ID": "",
       "FullName": ""
   },
   "TxnDate": "",
   "TxnList": [
      {
         "ID": "",// [required]
         "Amount": 0,
         "VendorCredits": [
            {
              "ID": "",
              "Amount": 0
            }
         ],
        "Discount": {
          "DiscountSet": true, //[set to true if there is a discount]
          "Amount": 0,
          "Class": {
            "ID": "",
            "FullName": ""
          },
          "Account": {
            "ID": "",
            "FullName": ""
          }
        }
      }
   ]
}