The article below shows how to send reminders to employees who forget to clock in or out.
Activate clocking notifications via settings
It is possible to activate reminder notifications when an employee has forgotten to clock in. It's also possible for that user's immediate manager to receive an alert too.
Click on the Settings tab
Attendance sub-section
Scroll down to Notifications
Save
You can activate the reminder for clock in only, check out only, or both.
❗Only a user with the Administrator role can have access and change this setting.

