特定頻度でユーザのレビューを要求する

import StoreKit func askUserToRate() { var gamePlayed = UserDefaults.standard.integer(forKey: "gamePlayed") gamePlayed += 1 UserDefaults.standard.set(gamePlayed, forKey: "gamePlayed") if gamePlayed % 10 == 0 { SKStoreReviewController.requestReview() } }