How can I tag a profile?

This option is available for the Expert UI users, it is not available on the Regular UI.

There are 2 ways of tagging a profile on LinkedIn. 

Option 1: You can either visit a profile manually and add a tag in the "Dux-Soup Tricks" box on the right side of the page

Option 2: You can set up auto-tagging by going to Options > Actions and enabling the feature to add a tag during the auto-visiting 

When you click "Visit Profiles" on Dux-Soup, you will see the robot running and a pop-up indicating that it's tagging the profiles.