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→Step 4 - Fallback on result page
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When calling the page when payment is OK, the following parameters must also be provided:
When calling the page when payment is OK, the following parameters must also be provided:
* FULLTAG (this parameter was defined into the public/payment/newpayment.php page). With this parameter, the page paymentok.php will be able to make all complementary action like closing invoice or order or recording a subscription for a membership subscription, and more...
* FULLTAG (this parameter was defined into the public/payment/newpayment.php page). With this parameter, the page paymentok.php will be able to make all complementary action like closing invoice or order or recording a subscription for a membership subscription, and more...
+* Some payment mode include also more parameters like PAYERID for Paypal. Only FULLTAG should be mandatory.
+
+Some other parameters may be retreived in the session like:
+* $_SESSION['ipaddress']
+* $_SESSION['errormessage'] An error message to show