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When the form to enter payment information are submitted (whatever is the page that handle it), the payment system should send a redirect to the page '''/public/payment/paymentok.php''' or '''public/payment/paymentko.php''' depending on status of payment.
When the form to enter payment information are submitted (whatever is the page that handle it), the payment system should send a redirect to the page '''/public/payment/paymentok.php''' or '''public/payment/paymentko.php''' depending on status of payment.
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* If the page to enter the payment was an external page, this external page must do a redirect to the one or the other (depending on success or not) but in both cases, the content of the variable $FULLTAG must be provided inside a parameter '''fulltag'''.
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* If the page to enter payment was the newpayment page, using the a custom form, you can retrieve the submit of the form inside the hook doAction. You must use a parameter submited by your form to make the difference between the use of the hook in this step, after a payment has been done, or the use of the hook at the previous step (when the page is shown to output the form to enter payment information).
= Step 4 - Fallback on result page =
= Step 4 - Fallback on result page =