From the screen, select people in either the Far left side bar or from the large blue square icon.



Which will bring you to this screen.


 

Click on the Arrow to show the list of current staff members.



Select the staff member you wish to assign the master key to.



Hit the "Make Key" icon



Select All the doors you want this key to be able to access and hit "Next"


Select The start and end dates and the schedule you would like this key to be able to access the selected doors. and click Next and follow the reader instructions.