To do this, you can either go via the Staff Record in Setup, or via Update in Service Managers Toolkit.
Staff Record : -
Go to Setup > Staff Records > enter the required technician name or staff number and press load.
On the Staff Record select the Technicians tab - at the bottom of the window is a field for Absence. Select the Add button and fill in the required details.
Service Managers Toolkit : -
Workshop > Service Managers Tookit > Clock card > select the Update button. Search for the required technician by either staff name or staff number and select Load.
On the window is a field for Absence. Select the Add button and fill in the required details.
Change Leave Reasons : -
If you need to amend the reasons available - go to Workshop > Service Parameters - select the button for Holiday Reasons.
Click Add to create a leave reason - you can select whether this is also payable or not.