If you need to add offline tickets manually to track attendance you can add them manually in the Admin Interface.
Event ticketing is available on the Standard plan and above.
To create tickets manually, follow the steps below:
Step 1: Under Manage, select Tickets from the left navigation, then select Create Ticket in the upper right.
Step 2: Select the Campaign Site, Ticket Tier and Status using the dropdown menus then enter the ticket holder's first name last name and email and select Create and Send.