Alert Dont Remind me

extension TextToSpeechVC1 {
    
    func displayMsg(title : String?, msg : String,
                    style: UIAlertController.Style = .alert,
                    dontRemindKey : String? = nil) {
        if dontRemindKey != nil,
            UserDefaults.standard.bool(forKey: dontRemindKey!) == true {
            return
        }
        
        let ac = UIAlertController.init(title: title,
                                        message: msg, preferredStyle: style)
        ac.addAction(UIAlertAction.init(title: "ذكرني",
                                        style: .default, handler: nil))
        
        if dontRemindKey != nil {
            ac.addAction(UIAlertAction.init(title: "حسنا",
                                            style: .default, handler: { (aa) in
                                                UserDefaults.standard.set(true, forKey: dontRemindKey!)
                                                UserDefaults.standard.synchronize()
            }))
        }
        DispatchQueue.main.async {
            self.present(ac, animated: true, completion: nil)
        }
    }
}

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call func
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        self.displayMsg(title: "OK", msg: "FGHJKJHG", style: .alert, dontRemindKey: "UserHasSeenMsg")