Now go to the
Settings page within the Sayl Retail backend (
https://app.saylretail.com), go to the prefered salesprofile and click the payment settings icon.
Click on 'add payment means'.
Select 'I already have a payment provider'. Click Continue.
Indicate that you know the settings 'Yes'.
Now make sure:
- you set Environment to 'production'
- you must know your Ingenico PSP ID
- to correctly fill in the SHA-IN pass phrase you entered in the Ingenico backend
- that you know your username and password