toDocument method
Implementation
@override
Map<String, Object?> toDocument() {
Map<String, Object?> theDocument = HashMap();
if (paymentReference != null) {
theDocument["paymentReference"] = paymentReference;
} else {
theDocument["paymentReference"] = null;
}
if (shipmentReference != null) {
theDocument["shipmentReference"] = shipmentReference;
} else {
theDocument["shipmentReference"] = null;
}
if (deliveryReference != null) {
theDocument["deliveryReference"] = deliveryReference;
} else {
theDocument["deliveryReference"] = null;
}
return theDocument;
}