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Add Metafields to Cart API
Effective April 01, 2023
As of GraphQL Storefront API Version
2023-04 you can use Metafields with Carts! Metafields can be added during Cart creation, they can be queried, updated, and deleted.
Learn more: * Create Cart Metafields * Query Cart Metafields * Update Cart Metafields * Delete Cart Metafields