#beastboy_code
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zinc hazel
I run this function when the user has already paid for the old product, and now we need to switch them to a new product - so we can charge / refund them appropriately and then ship the product to them
So this is assuming they've paid already - so we can directly refund them or charge them the difference
worn solstice
Good question, looking in to how you can do this.
zinc hazel
thank you!
worn solstice
I think what you will want to do is specify proration_date as the beginning of the subscription's current cycle. I think that would mean we would calculate prorations as if the new price had been the subscription's price for the entire cycle https://docs.stripe.com/api/subscriptions/update#update_subscription-proration_date
zinc hazel
but I already do that with current_period_start
worn solstice
Whoops sorry, I did not look it over that closely. What does the invoice look like when you run that now?
zinc hazel
When I run this, it immediately charges the customer for the new product
worn solstice
Oh so the calculated amount is correct, but you want the update to be delayed until after the payment has been made?
zinc hazel
yes exactly
worn solstice
Gotche, then you should just need to add payment_behavior: 'pending_if_incomplete', to your call (I did check if it was in your original code this time)
https://docs.stripe.com/billing/subscriptions/pending-updates