You can connect your EnduroCo account to Zwift so that workouts completed in Zwift automatically sync to EnduroCo and Structured workouts from EnduroCo automatically sync to Zwift each day.
For this you have to connect TrainingPeaks with Zwift. To connect Zwift to TrainingPeaks login to zwift.com and make sure your account is linked on the connections page.
More information about Zwift and TrainingPeaks can be found here.
