Dynamic Remarketing In Google Analytics

<script>
  (function(i,s,o,g,r,a,m))(window,document,'script','https://www.google-analytics.com/analytics.js','ga');

  ga('create', 'UA-65738271-3', 'auto');
  ga(‘require’,’displayfeatures’);
  ga(‘set’,’dimension1’, <ecomm_prodid>);
  ga(‘set’,’dimension2’, <ecomm_pagetype>);
  ga(‘set’,’dimension3’, <ecomm_totalvalue>);
  ga('send', 'pageview');

</script>