remarketing product view

<script>
var dataLayer  = window.dataLayer || [];
dataLayer.push({
    'event': 'remarketing',
    'google_tag_params': {
      'ecomm_prodid': 123, //product id of the product that is being viewed
      'ecomm_pagetype': 'product',
 'ecomm_category': 'books', // needs to be dynamically replaced according to category the product that is viewed belongs to
'ecomm_totalvalue': 89.98 //price of the product being viewed
}
   });

</script>