Used in the Initiate call, the PaymentWizardData object specifies the installment choices that will be presented to customers, and also sets parameters related to IFrames and 3DS.
A series of comma separated string values representing the installment options available for customers to select from. The number of maximum available options is set in your Splitit merchant account, but you can use less than the maximum.
Set to true when implementing the Payment Form Modal.
A flag that needs to be set for using 3DS with Flex Fields. If you don't know whether 3DS is needed, then don't set it at all and the code will know to treat this flag as true by default. (The other flag you need to set for Flex Fields 3DS is Attempt3DSecure in the PlanData object).