hubspot gdpr acceptance api using all of the module options -- easy to implement. This sends a message to google tag manager where you set up a custom event ot read, thent trigger other tags. You can also use this to fire off your own script tags in hubspot

hubspot-gdpr-api.js

var _hsp = window._hsp = window._hsp || []
window.dataLayer = window.dataLayer || []

_hsp.push(['addPrivacyConsentListener', function(consent) {
// 	console.log('-------- [HubSpot website logging start] --------')
// 	console.log('analytics: ' + consent.categories.analytics)
// 	console.log('advertisement: ' + consent.categories.advertisement)
// 	console.log('functionality: ' + consent.categories.functionality)
// 	console.log('-------- [HubSpot website logging start] --------')
	if(consent.categories.analytics) {
		window.dataLayer.push({
      'event': 'gdprAnalyticsAccept'
		});a
	} else {
		window.dataLayer.push({
      'event': 'gdprAnalyticsDeny'
		});
	}
	if(consent.categories.advertisement) {
		window.dataLayer.push({
      'event': 'gdprAdvertisementAccept'
		});
	} else {
		window.dataLayer.push({
      'event': 'gdprAdvertisementDeny'
		});
	}
	if(consent.categories.functionality) {
		window.dataLayer.push({
      'event': 'gdprFunctionalityAccept'
		});
	} else {
		window.dataLayer.push({
      'event': 'gdprFunctionalityDeny'
		});
	}
}]);