toJson method

Implementation

Map<String, dynamic> toJson() => {
      "amount": amount,
      "description": description,
      "items": items == null
          ? []
          : List<dynamic>.from(items!.map((x) => x.toJson())),
      "metadata": metadata,
      "reference": reference,
      "shipping": shipping?.toJson(),
      "tax": tax,
    };