AlertController.txt

 let alertController = UIAlertController.init(title: "Destination", message: nil, preferredStyle: .actionSheet)
 for dest in destinationArray {
      let action = UIAlertAction.init(title: dest.key, style: .default) {[weak self] (action) in
          self?.selectedDestinationLabel.text = "You have selected " + dest.key
          if let userDefault = UserDefaults.init(suiteName: "group.itr.todayWidget")
          {
             userDefault.setValue(dest.value, forKey: "Destination")
             userDefault.synchronize()
          }
       }
       alertController.addAction(action)
}
let cancelAction = UIAlertAction.init(title: "Cancel", style: .destructive, handler: nil)
alertController.addAction(cancelAction)
self.present(alertController, animated: true, completion: nil)