A recipient group is a list of email addresses that receive a particular alert. Each alert sends a single daily email to its recipient group when one or more triggers fire.
Open Apps → Alerts
+ Alert
Select your triggers
Continue
Select your product(s) to be alerted from
Select “Create a new alert group”

Add the group name
Select the members of the workspace that would be able to receive notifications
Name you alert
Create Alert
From the same screen: