Please note this feature is only available on our premium plan.
From the app home tab, scroll to the bottom to open Settings
Click into the Notifications option
Next to "Prompt me to add new channels to Channel Groups", select Enabled
Optionally, enter a specific pattern (i.e. "partner-" or "project-") to only get notified when channels matching this pattern are joined
Once enabled, you'll start to receive alerts similar to this one: