1. Open your event's dashboard and click on "Registrations".
2. Then click on "Tickets".
3. Click on "Create ticket" to create a new ticket.
4. A page will open up where you can input the ticket information, such as the name of the ticket, description, etc,. You can choose whether the ticket has to be a paid ticket or a free ticket.
5. To make this ticket available only for a specific period, select the relevant "Sale starts" and "Sale ends" dates from the date fields.
6. Now, enter the "Sale Starts" date and time to set when the ticket should be available for attendees to purchase.
7. Next, enter the "Sale Ends" date and time to set when the ticket should no longer be available for attendees to purchase.
8. Click on "Create ticket" to persist the changes and create the ticket.
Now, this particular ticket will be available only from the selected "Sale Starts" to "Sale Ends" date. Once the "Sale Ends" date has passed, the ticket will expire.