创建对象并成功购买后,我已在SKMutablePayment上添加了applicationUsername值。
let payment = SKMutablePayment(product: subscriptionProduct.product)
payment.applicationUsername = String(UserDetailsObject.sharedInstance.userID)
SKPaymentQueue.default().add(payment)
当我的服务器使用秘密密钥调用苹果的VerifyReceipt URL时,它们在响应JSON中未获得applicationUsername的任何值。购买后如何获取applicationUsername的值?苹果是否在响应中返回该值?