You can mute a group whenever you want.
To mute the notifications of a group follow the steps below:
- Enter the group you want to silence. Once inside, click on the upper rigt button to access the group menu.
- Check the Mute group option
When you silence your group, you will see a silence icon about this group on the list screen of your groups.
The mute action of a group is permanent. To receive notifications from this group again, enter the group menu again and uncheck the mute box.