Go to Online Store > Actions > Edit Code
Open your featured-product.liquid file in the Sections area.
Paste this code after the place where product is defined.
See attached screenshot for the correct placement.
{% if product != empty %}
<script>
var bcpo_product = {{product | json}};
{% if all_products[product.handle].metafields.bcpo.bcpo_data %}
var bcpo_data = {{all_products[product.handle].metafields.bcpo.bcpo_data}};
{% endif %}
</script>
{% endif %}
Our app only supports one featured product