Siblings metafields
Feature introduced in Pipeline 6.2
There are two product metafields definitions required to connect each of the products together and generate linked swatches.
Use the metafields editor under Settings in the Shopify Admin:
Both metafields will be defined under the category of Products:
Tip: If you are new to creating custom metafields, a good step-by-step walkthrough is also available within the Cart Upselling article.
Next, create these two metafields:
Copy link