Is it possible to update a checkout's subtotal by program.

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Hi, we have a campaign center for shopify and our other shops, there are some campaigns like "buy $1000 get 10%off", so we want to update the checkout's subtotal after the checkout is created with BuySDK. is it possible to do that?

Reply 1 (1)

Shopify Expert
4846 60 552

The flow that works is to detect the $1000 threshold BEFORE checkout completes, provide a 10% discount, and let Shopify adjust the subtotal to be correct. You do not adjust things AFTER checkout.

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