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From your PrestaShop administration, go to Module Manager.
Find the Everifin module and click 'Configure'.
Fill in the following fields:
Environment: Set this field to value adviced by Everifin.
Client ID: Enter your Everifin Client ID here (value provided by Everifin)
Client Secret: Enter your Everifin Client Secret here (value provided by Everifin)
Default Bank Account: Enter your default bank account here. This account will be used if no other account is specified for a particular currency.
IP address whitelist: (Optional) This configuration is useful for live testing. By entering an IP address here you are able to restrict the payment method to be available only when accessing the e-shop web pages from provided IP address.
Bank account per currency: Enter a bank account for each currency used in your shop (use string without spaces). If you don't specify an account for a certain currency, the default account will be used.
Click 'Save' to save your changes.
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