1. On the event dashboard, click on "Agenda" from the left sidebar menu.
2. Select the session you want to limit the number of attendees and click on it.
3. In the session manager scroll down to the visibility and access section.
4. Here you have the option to Limit and unlimit the Number of seats for the selected session.
5. You also have the option to Limit the number seats of your preferrence.
6. Click on "Save" to save the changes made.
