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WL contains an option to authenticate a card for zero amount. This is an alternative to the Validate Card trial workflow. This can be advantageous for free trial offerings with a 3DS workflow as the consumer should be less confused than with a Validate Card amount on the challenge.
sendUpsellToken
Check this box to send for all upsells the payment token returned on checkout. This guarantees a 1-click upsell. If you prefer to send the consumer through a potential 3DS workflow for each upsell, then uncheck this box to send full card details again on each upsell.
Step 3:
Once complete click the green “Create Gateway” button.
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