Discount API - Associated discount codes must be included in the enteredDiscountCodesAccept operation

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Discount code issues with new discount function API

I’m in the process of migrating my TS/JS product discount function over to use Rust and the new discount function API (version 2025-10). In testing the migration by switching out the old function uid to the new rust function, the automatic product discounts work great but when I try to use a discount code it bugs out with InvalidOutputError errors and I’m not sure how to go about fixing it. When running automatic product discounts it works great and the output looks like this: output": { …