Track UTMs in Microsoft Dynamics 365 Marketing Forms UTM attribution overview HandL UTM Grabber natively prefills Microsoft Dynamics 365 Marketing embedded forms on WordPress from UTM cookie values. Native auto-prefill When a Dynamics 365 Marketing form is embedded on your WordPress site, UTM Grabber hooks into MsCrmMkt.MsCrmFormLoader after form load and prefills input fields whose title or placeholder matches a UTM Grabber parameter name. Setup Embed your Dynamics 365 Marketing form on a WordPress page In Dynamics, create form fields with titles matching UTM parameter names: utm_source , utm_medium , utm_campaign , gclid , etc. Ensure HandL UTM Grabber V3 is active. No additional configuration needed Visit the page with test UTMs and submit the form. Fields should prefill automatically Field naming UTM Grabber matches the lowercase, underscore version of the field title attribute. Use exact parameter names from Native WP Shortcodes . CRM webhook alternative For server-side lead routing, use Dynamics webhooks or Triggering Zapier on Thank you Page on your thank-you page.