Notion makes it easy for users to forward alerts to friends, family, and neighbors. For example, if your door was to open unexpectedly and you weren't home, sending that alert to a neighbor can be a great option.
To add a secondary contact, follow these instructions:
1. Click the person icon in the top left of your screen.
2. Choose Contact on the top menu.
3. Add from my contacts or create a new contact here.
When you receive an alert, you will be given the option to send that alert to that contact. It will look something like this: