Purchase constructor

Purchase({ String? purchaseId, String? productId, String? description, String? language, String? purchaseTime, String? orderId, String? amountLabel, int? amount, String? currency, int? quantity, String? purchaseState, String? developerPayload, String? invoiceId, String? subscriptionToken, })

Implementation

Purchase({
  this.purchaseId,
  this.productId,
  this.description,
  this.language,
  this.purchaseTime,
  this.orderId,
  this.amountLabel,
  this.amount,
  this.currency,
  this.quantity,
  this.purchaseState,
  this.developerPayload,
  this.invoiceId,
  this.subscriptionToken,
});