toJson method
Implementation
Map<String, dynamic> toJson() => {
"deviceID": deviceId,
"id": id,
"deviceName": deviceName,
"transactionID": transactionId,
"printerType": printerType,
"description": description,
"isSuccessful": isSuccessful,
"seq": seq,
"flightNumber": flightNumber,
"name": name,
"callbackUrl": callbackUrl,
"message": message,
"printResponseDateTime": printResponseDateTime.toIso8601String(),
};