Put your phone in Silent mode / Do Not Disturb mode for specific time in ranging from 1 minute to 60 minutes.
You can use it when you do not want to get disturbed for the said time.
It will be helpful in any activity where in you need silent from any ring from the phone.
After the set period it will automatically back to your original ring volume setting.
Also you can see the progress in the app itself.
If you provide Do not disturb access permission, it can go to complete silent mode. Otherwise it uses vibrate mode.