For Dynamic Remarketing, if you wish to communicate information from the Data Layer to AdWords when a user adds a product to their shopping cart without refreshing the page, what kind of Analytics track type would you use?

Google Adwords, Analytics Certifications
For Dynamic Remarketing, if you wish to communicate information from the Data Layer to AdWords when a user adds a product to their shopping cart without refreshing the page, what kind of Analytics track type would you use?

·         Pageview
·         Event
·         Transaction
·         Social