toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = <String, dynamic>{};
data['qris'] = qris;
data['customer_name'] = customerName;
data['payment_type'] = paymentType;
data['id_billing'] = idBilling;
data['datetime_expired'] = datetimeExpired;
data['client_refnum'] = clientRefnum;
data['trx_amount'] = trxAmount;
return data;
}