Modify PayPal Express Checkout custom parameter after payment -


i'm using paypal express checkout, recurring payments without trial.

for first payment, i'm using doexpresscheckoutpayment api operation (nvp), , store reference value in custom parameter.

before making payment, don't have customer id, generated after payment made, i'm using reference value in custom parameter validating payments , register customer later

is there way modify custom parameter later, set in doexpresscheckoutpayment? want add customer id it, ease future ipn, reference id might not available later.

no, cannot modified later. recommend create customer record in system prior sending user on paypal. create pending status or that, , update status once payment completed. way you'll have id need , can attach payment.


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