ga - sign_up

// Fire this event each time a new user successfully signs up.

<script>
window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
 'event': 'sign_up',
 'sign_up_method': 'email',  //Variable value based on the method used to register, e.g. "email" or "google".
 'promo_code': 'none',  //Variable value based on which promo code was applied. E.g. "none", "newyear2023", etc.
 'user_id': 'asdf1234'  //User ID from your website database.
 });
</script>