Page viewThe page_view event fires whenever a page is loaded or the browser history state changes. Scroll trackingThe scroll event fires when a user scrolls 90% of the way through a page. Outbound click trackingThe click event only fires for clicks leading to separate domains. The view_search_results event fires every time someone completes a search. From here, you can add the event name and customize any parameters to pass additional information through to Google Analytics.