example-link-tracking-plugin-config.js

<script>
ga('create', 'UA-XXXXX-Y', 'auto');
ga('require', 'linkTracker', {
  eventCategory : "Outbound Link",
  eventAction : "click"
});
ga('send', 'pageview');
</script>

<!--Note: plugin scripts must be included after the tracking snippet. -->
<script async src="/path/to/link-tracker-plugin.js"></script>