How to turn on notification dots in android Oreo

How to turn on notification dots in android Oreo.

In Android Oreo dots of notification is manner that keep you alert  from an application.

Allowing notification badges, go to Settings and head to Apps & notifications. After it tap Notifications and toss the Allow icon badges turn that“on.”

And if you want turn on notification on a specific app then go to settings and go to apps and notifications and click on the app you want to turn on notification after that click to turn on dots of notification