1. In the Main Dashboard, click on the "Registration" tab on the side panel.

2. Click on the "Manage Tickets" section.

3. This will display a list of all the added ticket. Click on the "Add" button to add a new ticket.

4. A modal appears. Click on the "Title" field to add a name for the ticket.

5. Under the Advanced dropdown, Click the "Waitlist" checkbox to enable it.

6. This will set all the tickets purchased from this ticket type to Waitlist. Click on the "Save" button to save the changes.

7. In the list, the particular ticket is displayed with a "Waitlist" tag.