HubSpot

Tracking In Tag Manager

<script>
window.dataLayer = window.dataLayer || [];

//listener for older version (v3) of HS forms
window.addEventListener('message', function(event) {
if (event.data.type === 'hsFormCallback' && event.data.eventName === 'onFormSubmitted') {
	window.dataLayer.push({
	event: 'form_submission',
	form_id: event.data.id,
	conversion_id: event.data.data.conversionId,
	form_data: event.data.data.submissionValues,
	});
}
});

//listener for v4 HS forms 
window.addEventListener("hs-form-event:on-submission:success", function(event) {
	var hsform = HubspotFormsV4.getFormFromEvent(event);
	if (hsform) {
	hsform.getFormFieldValues().then(function(fieldValues) {
		var transformedData = fieldValues.reduce(function(obj, item) {
		var key = item.name.split('/')[1]; 
		if (key) {
			obj[key] = item.value;
		}
		return obj;
		}, {});

		window.dataLayer.push({
		event: "form_submission",
		form_id: hsform.getFormId(),
		conversion_id: hsform.getConversionId(),
		form_data: transformedData
		});
	});
	}
});
</script>