GA - form - next - contact

// Fire this dataLayer event when a successful submission of a form occurs. The event should fire only for successful submissions. The event shouldn't fire again if the user reloads or revisits the thank-you page.

<script>
window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
 'event': 'form_engagement',
 'formAction': 'Submission',
 'formCategory': 'Contact',
 'formName': 'Contact Us',
 'formId': '123',  // Variable value - the ID of the form.
 'formInterest': 'Digital Technology'  // Variable value based on what user selects from the Subject Of Interest dropdown.
 });
</script>