First Data FD40 - Optional Transaction Features; TIP Processing

9 Optional transaction features
9.3 TIP processing
If TIP processing is available the Customer will be asked to enter and confirm the TIP amount in the
following way: First the Customer is asked if they want to add a TIP amount. If confirmed OK, the Customer
must enter the TIP amount and finally confirm the total amount.
TIP screen
Enter TIP amount screen
Confirm total amount screen