# Marketing Machine
To make the Marketing Machine fully functional: add this script to your category page. Example:
<script type="text/javascript">
window._edrone = window._edrone || {};
_edrone.product_category_ids = '${category_id}' // use "~" sign to separate values from each other if you want to send more then one category id
_edrone.product_category_names = "${category_name}" // use "~" sign to separate values from each other if you want to send more then one category name
</script>
The parameters that edrone adds to product URLS.
https://edrone-store.com/en/p/116751?rr_id=6bcf962938d747039cd182b1e9687567&retailer_product_id=116751
# rr_id
response id - a unique identifier that is propagated between events - mostly used for analysis of what was displayed in the frame depending on the client request.
# retailer_product_id
product_id of the product that customer visits, needed to recommend complementary products (basket analysis)