To enable Cashback prompting:
Set the CashBack Option parameter to On.
Make sure the Show CB Choices parameter is set to On.
IMPORTANT: The Cashback option is not available for contactless debit (Interac Flash) transactions.
To change the pre-set Cashback amounts:
Set any of the Amt 1, Amt 2 and Amt 3 parameters to new amounts of your choice.
Make sure the CashBack Option parameter is set to On.
To change the pre-set Cashback limit:
Set the Amt Limit parameter to a new amount of your choice.
For Cashback customer entry procedures, see Entering a Cashback Amount.