Cross domain tracking Google Analytics code for Thinkific in the multi-tenant tag format.

thinkific-cross-domain-tracking-google-analytics.js

<!--
  Ben's custom GA Code for Thinkific, please don't change!
  Satisfies both of these criteria:
  https://www.en.advertisercommunity.com/t5/Google-Analytics-Code/Help-with-multi-tenant-google-analytics-access/td-p/515546#
  https://support.google.com/analytics/answer/1034342?hl=en
-->

<script>
  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
    (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
    m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
  
  var tcd = "thinkific.com";
  
  var tenantGoogleAnalyticsKey = "UA-00000000-2";
  
  if(tenantGoogleAnalyticsKey) {
    var tenantCD = "seconddomain.example.com";
    ga('create', tenantGoogleAnalyticsKey, 'auto', { 'name': 'tenantTracker', 'cookieDomain': tenantCD, 'allowLinker': true });
    ga('require', 'linker');
    ga('linker:autoLink', ['www.example.com'] );
    ga('tenantTracker.send', 'pageview');
  }
</script>