Google Tag Manager (GTM)

Does GTM allow for adding tracking pixels to the checkout funnel on Shopify Base?
Unfortunately the full funnel tracking is only available on Shopify Plus
Thu, 15 Jul, 2021 at 10:19 AM
Where/how to add the GTM to the iframe?
Please follow Google's guidelines as per
Thu, 15 Jul, 2021 at 10:46 AM