How to use hidden checkboxes to add subscribers to MailChimp groups Advanced Mailchimp: Using Hidden Checkboxes To Add People To Groups Updated on November 10, 2017 Was this article helpful? Yes No Related Articles How to Create an Opt-In Landing Page With PopupAlly Pro How to Track Optional Popup Checkboxes In Your Email Marketing System How to Add a Checkbox on a PopupAlly Form Help! I switched the display setting to ‘exit-intent’, but the popup is still showing up as ‘time-delayed’. What is going on here? How to Integrate ProgressAlly With PopupAlly Pro How to Select The Posts & Pages Your Popups Will Appear On NO QUESTION GOES UNANSWERED If you have any questions, we're just an email away. We take your success seriously, and you'll always get a speedy reply from a real person during business hours.