toJson method
Implementation
Map<String, dynamic> toJson() {
final json = <String, dynamic>{};
json[r'id'] = this.id;
json[r'created_at'] = this.createdAt.toUtc().toIso8601String();
json[r'code'] = this.code;
json[r'quantity'] = this.quantity;
json[r'price'] = this.price;
json[r'total_price'] = this.totalPrice;
return json;
}