Log in to Eventfinda Ticketing with your account.
From the menu on the left-hand side of the screen, select Customers.
From the Customers screen, click the Sync With MailChimp button located on the right-hand side above the customers list.
From here, you will need to ensure you are logged in to MailChimp, and then select the MailChimp List to sync your customers with.
Your customer list will then be imported into the Mailchimp list as a background process.