Create a searchable / filterable product metafield
Enable the "Filtering for products" option on a definition so products can be searched by its value.
Enable the "Filtering for products" option on a definition so products can be searched by its value.
Enable the Storefront API access toggle on a metafield definition to read its value there.
Attach Shopify metafield definitions to a set to get around the 10 pinned / 100 total definitions limits.
Attach a Shopify metafield definition to the field instead of creating a custom field.