Indicates when 3D Secure authentication should be attempted. This overrides all other rules, including [Dynamic 3D Secure settings](https://docs.adyen.com/risk-management/dynamic-3d-secure). Possible
authenticationOnly
boolean
If set to true, you will only perform the [3D Secure 2 authentication](https://docs.adyen.com/online-payments/3d-secure/other-3ds-flows/authentication-only), and not the payment authorisation. Default
threeDSRequestData
object
Object with additional parameters for the 3D Secure authentication flow.