A notification to an Admin when Users complete a Course can be set up from the Course edit view.
This article describes the following areas:
Course Editor
Go to Learning > click Courses > Click New or select an existing Course
Advanced Settings tab
In the Advanced Settings tab, enable Notify Admin upon Course completion and select the Admin to notify
This sends an auto-generated email to the Admin selected.
Notify Admin toggle
Toggle "Yes" on Notify Admin on Completion > choose a user to be notified from the resulting selector
Only a single Admin may receive this notification.