When you have made the purchase, if the transaction is successfully completed, on the screen you will get a message that the transaction has been successfully completed and the ticket and invoice have been sent to your e-mail. After that you print the ticket in the format you get it in the e-mail (PDF format) and come with it to the location you bought it for. The ticket has to be presented to and checked (validated) by the authorized person at the entrance in order to use the services that you have bought through Croatia Tickets service.