Hello, I use the checkout page to create an order for the user. But the user can edit my order I should change the amount recording a new amount. Is there any possibility to do it? I only find an updated uncompleted order, but my order is completed. What the best solution for this case? Also, I found a refund payment, is there some mechanism which allows me to create two documents (refund, payment) in one transaction (not create documents when some of them were failed)?
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