toJson method
Implementation
Map<String, dynamic> toJson() {
final map = <String, dynamic>{};
map['message'] = _message;
map['txn_id'] = _txnId;
map['status_code'] = _statusCode;
map['amount'] = _amount;
map['created_date'] = _createdDate;
map['txn_number'] = _txnNumber;
map['payment_method'] = _paymentMethod;
map['unique_txn_id'] = _uniqueTxnId;
return map;
}