How can I get value of card payment when the green button is clicked in kiosk mode

Good afternoon Currently I am working with SAP Customer CheckOut fp 06 in kiosk mode,

I need to obtain the main data that appear in the following image,

these fields are: Type of Card, value of card payment

the above, when the green button is clicked. I capture the green button event as shown in the following image, but I can not get the value paid with the selected card.

How can I get this value?

Help me please