Retrieves the threeDS2Result after doing a 3D Secure 2 authentication only.
The merchant account identifier, with which you want to process the transaction.
The pspReference returned in the /authorise call.
After submitting a call, you receive a response message to inform you that your request was received and processed.
Depending on the HTTP status code of the response message, it is helpful to build some logic to handle any errors that a request or the system may return.