toJson method

@override Map<String, dynamic> toJson([ dynamic extra ])

Implementation

@override
Map<String, dynamic> toJson([dynamic extra]) {
  return {
    "@type": CONSTRUCTOR,
    "payment_option": paymentOption.toJson(),
    "is_current": isCurrent,
    "is_upgrade": isUpgrade,
    "last_transaction_id": lastTransactionId,
  };
}