block7.swift

func didReceive(_ response: UNNotificationResponse, completionHandler completion: @escaping (UNNotificationContentExtensionResponseOption) -> Void) {
    switch response.actionIdentifier {
    case "like-action":
        let actions = [
            UNNotificationAction(identifier: "1-star",  title: "★", options: []),
            UNNotificationAction(identifier: "2-star",  title: "★ ★", options: []),
            UNNotificationAction(identifier: "3-star",  title: "★ ★ ★", options: []),
            ]
        extensionContext?.notificationActions = actions
    case "open-app":
        openApp()
    default:
        dismissNotification()
    }
}