Signals Notebook: As a system administrator, I want to know which other users have the system administrator role, how to do it?

You can follow the steps below.

1. Log in to Signals as a system administrator.
2. Go to the Signals Configuration menu.
   
3. In the Signals Configuration menu, go to "System groups".
   
4. Click on the "Administrators" group.
   
5. This group is created by default in Signals, and includes all the system administrators of your tenant.