Step 1: Go to the Shift Label section on the Admin Page
Open the Admin page from the top menu
Select 'Shift Labels' from the sidebar
Step 2: Right click a Shift Label and select 'Label Restrictions'
Select which staff labels (attributes) are required to work the selected Shift Label
Step 3: Attempt a Staff Assignment
Only staff with the required staff label can be assigned to shifts with the relevant shift label.