STEP BY STEP INSTRUCTIONS:
1. To create tags for your Attendee List, go to Tools > More > Manage Tags:
2. Click Manage Attendee Tags:
3. Set up your tags:
4. Then, go to your Attendee List, search for the attendee, click Edit Attendee and add one or more tags.
At this time, tags need to be manually added. We plan to support uploading tags in the future.