The Basis Gateway Settings contain your chosen payment method.
PLEASE NOTE, NEVER change these settings in the configuration file. Always use the wizard.

The Basic Gateway Settings are shown as follows in the ../idealcheckout/configuration:

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// Basic gateway settings*

$aSettings['GATEWAY_NAME'] = 'Cashflows - Creditcard';

$aSettings['GATEWAY_WEBSITE'] = 'https://www.cashflows.com/';

$aSettings['GATEWAY_METHOD'] = 'creditcard-cashflows';

$aSettings['GATEWAY_VALIDATION'] = false;
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*In thjis case creditcard. This changes for each chosen payment method.