![](https://notes.christianto.net/wp-content/uploads/2024/01/image.png)
- Notifications → On
- Sound Alerts → On
- Notification Popups → On
- Show Message Content in Popups → Up to you.
- Lock Screen Notifications → On.
- Show Message Content on Lock Screen → Probably Off.
And run this command:
gsettings set org.gnome.evolution-data-server.calendar notify-with-tray true
References: