To access the notifications menu, head over to Settings > Notifications:
You can customize in-app notifications view to show or hide notification's content.
Also, you can choose which notifications will show first (newer, current, or older ones) in your Productive Inbox after you archive them.
Under Notification settings, you will see a detailed list of available items for which you can set notifications:
Supported channels for notifications
Next to each of the categories, you can enable or disable:
in-app ( 💻 ) notifications
e-mail ( 📧 ) notifications
Some of the items contain additional information - make sure to hover over the ℹ️ icon to learn more: