With a Standard visitor badge:
it is not possible to make appointments. However, you can contact the exhibitor by sending a message via their profile. To access this feature, you can subscribe to the premium badge via this link: https://pass.paris.hyvolution.com/
With a Premium visitor badge:
Find all your appointments directly via the “My Event” button in the app. If you are on a computer, you can access the same information from your profile in the top right-hand corner by selecting “My schedule.” When requesting an appointment, you choose the location. All this information (location and time) remains accessible at any time in your schedule.