Registration options are the options setting you may want to add for your event like:

• Title of attendee’s information,
• Special instruction like address or
• Requirements for event etc.

Setting up registration time limit will help organizer to avoid overbooking an event  or users blocking the tickets and making it unavailable for others to purchase. The timer helps to make the transaction time faster when your event becomes popular and attracts lots of users.

Set up how would you like your event ticket, e.g Ticket, Online Registration, etc
Checking this option will allow attendee to update their information after they place the order.
Allow attendee to request refunds for purchased ticket (Optional)