How can i show a popup notification before meeting end , for example if the duration of the meeting is 60mins i need to show a notification to the user 10 mins before it ends

how can i show a popup notification(duration) before meeting end , for example if the duration of the meeting is 60mins i need to show a notification to the user 10 mins before it ends

There is no such feature at the moment.

there is a count down time feature in the tool ?