Prerequisite A moodle installation with email/stmp configured (you can use mailhog) Test As site administrator create a course in Moodle with completion enabled Go to the course settings cog and open the "Course completion" section Enable the condition "Condition: Manual self completion" and click "Save Changes" Back in the course main page, click the "Turn editing on button" Via the "Add block" option, add two blocks: "Course completion status" and "Self completion" Create or reuse an existing user account and enrol it as student in the course Now, log-in in as the user enrolled as student in the course Go to your user preferences > Notification preferences Enable the "Email" processor for the "Course completed" message type Go back to the course and via the "Self completion" block, mark the course as completed Now, you have to execute manually the task "Calculate regular completion data", you can do it manually as Moodle admin via the Server > Tasks > Scheduled tasks admin tool or via the php cli Check that you receive an email, with subject "Course completed" and text: Congratulations, you just completed the following course: COURSE_NAME (linking to the course)