If you already have Facebook pixel tracking implemented via Shopify, and you decide to implement via our app, please be sure to remove your FB pixel from the Shopify store as your final step.
Once you've imported our container for either Plus or non-plus stores then you will have a set of Facebook tags inside of GTM that looks like this:
Next, you'll need to do the following:
In order to run dynamic product remarketing advertising, then you have to send the same product content IDs from your pixel to match your product content IDs that you upload to Facebook with your product feed.
If you already have your product catalog connected to Facebook then you can go to Facebook Business Center > Catalogs > click on your Catalog and a product of yours. You should see something like this that contains Content ID and Item Group ID.
It is most likely that your product ID is either:
Here's an example from Facebook:
If your Content ID was my Shopify product ID, not SKU, then go to GTM and update the following tags:
Here is how to switch things out for the Product View tag which you can replicate across the other tags:
Once you're ready to test & publish then be sure you are using the Facebook Pixel Helper Chrome Extension to validate the tag data is correct.
You should see a green checkmark for the various Facebook events (view product pages, add to cart, initiate checkout if you are on Shopify Plus, and transactions):
Once you publish your GTM container then go to your Admin > Online store > Preferences > Facebook Pixel and remove this setting below.
Once you've completed this step then that's it - you are live with Facebook tracking via GTM!