Doesn’t sound too sophisticated, from their fall press release:
Zwift Camp: Baseline: Nov 18-Jan 5
Introducing a new Workout Program designed to help Zwifters learn more about themselves with six workouts with long and short versions to suit all athletes. Upon completion, Zwifters will receive a report helping identify their strengths and weaknesses based on their rider type. After the program, there will be new Challenges available for riders to take the next step with their fitness goals.