1. In the event dashboard, click on the "Promotions" section from the Sidebar. This brings up the list of all attendees.

2. In the left-hand side menu, click on "Contact Tags" under the content section. This will bring up the list of all Tags currently present for the event.

3. Click the "Add Contact Tag" button. This will bring up a modal to create a new group.

4. Put in the Tag name, which is mandatory and click on save.

5. Your new Contact Tag has been created.