How to use the expo-notifications.addOnForegroundNotificationListener function in expo-notifications

constructor(props) {
    super(props);

    Notifications.addOnForegroundNotificationListener('testScreen',
      (foregroundNotification: Notifications.LocalNotification) => {
        console.log(foregroundNotification);
      }
    );
    Notifications.addOnUserInteractionListener('testScreen',
      (userInteraction: Notifications.UserInteraction) => {
        console.log(userInteraction);
      }
    );
  }