Sandbox Short: Catalog Custom Attributes
Custom attributes let you associate additional information to ITEM and ITEM_VARIATION type catalog objects. For example, suppose a quick-service restaurant hires an order-ahead manager. The order-ahead partner needs additional information for each menu item. For example:
A buyer-facing name such as "Chicken" instead of "CHK".
A partner-specific price.
Allergen information.
You can add a custom attribute to any CatalogItem object in the restaurant catalog so the merchant can add those additional details.
Seller-visible custom attributes appear within the Item Library and Service Library on the Square Dashboard, allowing merchants to leverage Square as a one-stop shop for managing their information.
Add Custom Attributes Guide – https://developer.squareup.com/docs/c...
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Square Developer Blog – https://developer.squareup.com/blog