New fields have been added to all Shopify Functions APIs.
sellingPlanAllocation field is now available on
title field is now available on
inCollections field on
Product allows for checking membership in individual product collections.
hasTags field on
Customer allows for checking the presence of individual tags.
isAuthenticated field on
BuyerIdentity identifies whether the customer is logged in.
For details on these fields, see the API Reference documentation for Shopify Functions.