3DS2 results and liability shift

Mapping below clarifies how Intergiro interprets results from 3DS service, when liability shift occurs and which responses result in a 3DS authentication failure.

Result	ECI	Authentication type	Liability	Action
Authenticated	Mastercard: 2 Visa: 5	Challenge, Frictionless	Card Issuer	Proceed to Card Authorization
Attempted	Mastercard: 1 Visa: 6	Frictionless	Card Issuer	Proceed to Card Authorization
Non authenticated	Mastercard: 0 Visa: 7	Challenge, Frictionless	Merchant	Return 3DS authentication failure to PSP
Unavailable	Mastercard: 0 Visa: 7	Challenge, Frictionless	Merchant	Return 3DS authentication failure to PSP
Rejected	Mastercard: 0 Visa: 7	Frictionless	Merchant	Return 3DS authentication failure to PSP