Guide

1. Go to the profile icon

2. Go to 'Preferences'

3. You have the option to change what you receive in notifications

4. You can set a duration for notifications, after which they will pause

5. You have the option to send notification to mobile & mute notifications from a specific channel

6. In your mac settings, go to 'Notifications' and search for slack app

7. Enable 'Allow notifications' to get slack notifications