Click “Automations”
Click "Workflows"
Choose any automation in which you want to use this segment
Click “+” icon
Click “Define your trigger…” box
Choose either “Applied a tag” or “Removed a tag”
Added a tag - This event will be executed when a new audience is adding with the tag
Removed a Tag - This event will be executed when the tag is removed from the people
Choose the segment from the list “Which Tag?”
Click “Update”
Click “Save and Exit”
