ARForms UTM Tracking Integration Set up ARForms with HandL UTM Grabber to capture UTM parameters, GCLID, FBCLID, referrer, and landing page data in hidden fields for lead attribution. Collect UTMs in ARForms with HandL UTM Grabber UTM attribution overview This guide explains Collect UTMs in ARForms with HandL UTM Grabber. It helps you capture UTM source, medium, campaign, term, content, click IDs, referrer, and landing page data and keep the marketing context needed for accurate reporting across forms, bookings, signups, and sales. Click Hidden Input Fields from the menu Add the UTM fields as shown below. Make sure value is NOT shortcode After prospects fill out form, all the UTMs will be captured automatically.