The service desk User Directory has a new feature now, You can add more columns if you want to view additional details and hide columns that you do not want to be displayed.
Step : In Endpoint Manager Portal, Go to Applications → Service Desk, The page will redirect to the Service Desk Staff Panel.
Step  : Go to Users ---> "User Directory". To the top right side of the page Select Customize Columns for Customizing the Columns.After Selecting it the pop-up Message will be shown as below for the next step
Step  :In Customize User Directory Columns . Select any of the columns to be shown on the page
Example: Select Last Updated in columns
Step : You can see your Customized Column in User Directory Page