CheckoutReviewModel constructor Null safety

CheckoutReviewModel(
  1. {List<CartItemModel>? items,
  2. List<Summary>? summary,
  3. AddressModel? address,
  4. PaymentOptionsModel? paymentOption,
  5. double? total,
  6. ConfigDeliveryPeriod? configDeliveryPeriod}
)

Implementation

CheckoutReviewModel({
  this.items,
  this.summary,
  this.address,
  this.paymentOption,
  this.total,
  this.configDeliveryPeriod,
});