import 'package:freezed_annotation/freezed_annotation.dart'; part 'payment_model.freezed.dart'; part 'payment_model.g.dart'; @freezed class PaymentModel with _$PaymentModel { factory PaymentModel({ @JsonKey(name: 'checkout_url') required String paymentUrl, }) = _PaymentModel; factory PaymentModel.fromJson(Map json) => _$PaymentModelFromJson(json); }