Google Tag Manager: Custom event tracking

install custom event handler.html

<script>
  (function() {
    $(".fully-clickable").on("click", function(event) {
      dataLayer.push({
        "event":"fullyclickable event",
        "fully-clickable url": new URL($(event.target).find('a:last').attr('href'), window.location.href).href
                 });
    });
  })();
</script>