toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = <String, dynamic>{};
data['id'] = id;
data['name'] = name;
data['tax'] = tax;
data['code'] = code;
data['tax_name'] = taxName;
data['shipping_zone_id'] = shippingZoneId;
data['provinces'] = provinces.map((v) => v?.toJson()).toList();
return data;
}