# Adding conversion custom event to the webinar registration page using javascript

**URL:** <https://devforum.zoom.us/t/adding-conversion-custom-event-to-the-webinar-registration-page-using-javascript/98433>\
**Category:** API and Webhooks\
**Created:** [November 15, 2023, 3:34pm UTC](https://devforum.zoom.us/t/adding-conversion-custom-event-to-the-webinar-registration-page-using-javascript/98433 "2023-11-15T15:34:24Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![michael.seto](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/michael.seto/32/53777_2.png) [@michael.seto](https://devforum.zoom.us/u/michael.seto)\
**Post date:** [November 15, 2023, 3:34pm UTC](https://devforum.zoom.us/t/adding-conversion-custom-event-to-the-webinar-registration-page-using-javascript/98433/1 "2023-11-15T15:34:25Z")

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I am trying to add a conversion custom event javascript to the Footer HTML so I can track the webinar registration in my marketing systems. I tried to add GA4 and a custom postMessage but nothing is saved to the footer or header. What is the best way to integrate conversion tracking into the existing webinar registration landing page?

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [November 18, 2024, 7:11am UTC](https://devforum.zoom.us/t/adding-conversion-custom-event-to-the-webinar-registration-page-using-javascript/98433/2 "2024-11-18T07:11:17Z")

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Closed on November 18, 2024, 7:11am UTC

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