When you edit an Automated Email you may have a choice of Schedule Type.

There are 3 types of scheduling available

Select the number of days this alert will be sent before the event occurs.

The alert can be sent multiple times by selecting different number of days

For example

e-Learning Qualification Due to Expire can be sent to the manager when a course is due to expire in 60 days, and again when the course is due to expire in 30 days.

This will send the email when the event takes place.

For Example

Welcome Email Including Login Details can be sent automatically when a user is added.

Select the number of days this alert will be sent after the event occurs.

The alert can be sent multiple times by selecting different number of days.

Switch on Repeat Notifications to repeat the email.

For example

e-Learning Qualification Expired can be sent automatically 30 days after the course expires. You could also repeat this email to be sent every 7 days, for 4 times after 60 days.