Step 1 – Copy the Snippet code below.
<!-- Spice Product Addons Snippet(cart page) Starts -->
<div id="spiceaddonsappid">
{% assign pcollections = '' | split: '' %}{% for item in cart.items %}{% assign product_collections = item.product.collections | map: "id" %}{% if product_collections %}{% assign pcollections= pcollections | concat: product_collections%}{% endif%}{% endfor %}<input type="hidden" id="sgcollectionscart" value="{{ pcollections | uniq | join: "," }}"/>
</div>
<!-- Spice Product Addons Snippet(cart page) ends -->Step 2 – Go to Online Store under the Shopify admin.
Step 3 – Select Actions (Current theme) and click “Edit code”.
Step 4 – Find the file cart.liquid in the templates folder.
Step 5 – Find the <form> and </form> tags in the cart.liquid file and paste the snippet above </form> tag.
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