Rule: Product Metafield
Upon installation, Checkout Blocks automatically creates a new product metafield definition called " Checkout Blocks Rule Trigger" which can be used to trigger blocks within checkout and post purchase:
How to trigger a block based on product metafield
You can easily trigger a checkout block based on a product metafield. The one caveat is that at this time, the metafield must be using the namespace: checkoutblocks and the key: trigger. As stated above, this is automatically created upon installation.
1. First, navigate to a product within your Shopify admin. At the bottom of the page you will see a metafield section with the " Checkout Blocks Rule Trigger" pinned.
2. Add a value:
3. Add the " Product metafield" rule to a checkout block with the same value: