remarketing purchase

<script>
var dataLayer  = window.dataLayer || [];
dataLayer.push({
    'event': 'remarketing',
    'google_tag_params': {
      'ecomm_prodid': [123, 456, 789, 8910], //array of all product ids that are displayed
      'ecomm_pagetype': 'purchase',
 'ecomm_totalvalue': 89.98 //price of the product being viewed
}
   });

</script>