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Delivery options in Shopify Functions input now expose their metafields

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Shopify·Sep 15, 2026, 02:00 PMFeatureAI-assisted summary

Summary

CartDeliveryOption now includes a metafield field, allowing Functions to read metafields attached to delivery options in the cart.
Metafields follow existing ownership rules, are only available during checkout, and can be read from app‑reserved or shared namespaces.
No breaking changes; update your function input queries on API version 2026-10 to request the new metafield field if needed.

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Official source Last checked Sep 20, 2026, 8:03 AM

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