toJson method
Implementation
Map<String, dynamic> toJson() => {
'transactionType': transactionType,
'txId': txId,
'paymentId': paymentId,
if (paymentToken != null) 'paymentToken': paymentToken!,
if (code != null) 'code': code!,
if (message != null) 'message': message!,
if (pgCode != null) 'pgCode': pgCode!,
if (pgMessage != null) 'pgMessage': pgMessage!,
};