Challenge window size.
This field indicates the dimensions of the challenge window that has been displayed to the cardholder. The ACS shall reply with content that is formatted to appropriately render in this window to provide the best possible user experience.
Preconfigured sizes are width x height in pixels of the window displayed in the cardholder browser. Possible values are:
|1||250 x 400|
|2||390 x 400|
|3||500 x 600|
|4||600 x 400|
This value is included in the Challenge Request Message (CReq) generated by the component when the GetChallengeRequest methods are called.