1. Add a "Trigger event" step to the tour. (available for Usetiful Premium and Usetiful Enterprise)
2. Name the event.
3. Optionally, you can add event details like {userRole} to track more details about your users.
Have Google Analytics installed on your page. Then, add the data to custom dimensions and metrics so you can see the data in Google Analytics, for instructions on how to create dimensions and metrics please refer to this link. Once the tour is published, you can start tracking the triggered Event in Google Analytics.