About metafield definitions

Metafield definitions enable you to include data validation for metafields, and enable merchants to add metafield values for resources in the Shopify admin.

We also provide standard metafield definitions for common use cases. Using standard definitions means that your app can access information that merchants might have already stored in these metafields and provides interoperability across the Shopify platform. Learn about the standard metafield definitions we offer.

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