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 Does PopupAlly Pro Track Infusionsoft and Ontraport Affiliate Data? How to get the HTML opt-in code from SendPulse How to Track Optional Popup Checkboxes In Your Email Marketing System How to Add a Checkbox to 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 NO QUESTION GOES UNANSWERED If you have any questions, we're just an email away at firstname.lastname@example.org. We take your success seriously, and you'll always get a speedy reply from a real person during business hours.