The shortcode {event_registration} is used to automatically tag a Mautic contact as registered for an event when they click a link in an email. Note that to make the code work - substitute {} with [] brackets!

When to use

Use this shortcode whenever you want a one-click “YES, I’m attending” confirmation that simply adds a tag to the contact in Mautic.
It is ideal for:

• Event registrations
• RSVP confirmations
• Simple webinar signups
• Interest tagging

If you plan a larger webinar with automatic reminder emails etc, go for the more advanced solution with a separate landingpage here.  

What It Does

• Reads the ID parameter from the URL (e.g. ?ID=123), which should contain the Mautic contact ID.
• Uses ClickVerifier to block scanners, prefetchers, and email client auto-clicks.
• If the click is verified as real, the shortcode triggers a PATCH request to Mautic and adds one or more tags to the contact.
• Displays a success message on the page (customizable).
  
  

How To Use It in WordPress

1. Add the shortcode to any WordPress page:

   {event_registration tag="Event: Webinar 2025"}
   

   • You may set multiple tags separated by commas:

     {event_registration tag="Event: Webinar 2025, VIP"}
     

2. In your Mautic email, link to the page like this:

   https://yourdomain.com/my-event-page/?ID={contactfield=id}