You can add "On-call" to an employee's shift by checking the box when creating the shift:
1 - Click on the preferred date and create the shift
2- When the pop-up window opens, go to the "Shift" section
3- Check the "On-call" box
3- Click on "Create"
Note:
Once the shift has been created and published, you will see the total hours for that day at 0. The hours will be adjusted once the clocking-in has been completed.
"On-call" will also be visible on the shift in the schedule:



