How to charge addictional fee of 4% on Amex credit card transactions.
Summary:
We are implementing credit card payments using FIServ for one of our clients. There is a requirement to charge a 4% additional fee on Amex cards. Can anyone help with how to configure this?
Content (please ensure you mask any confidential information):
Version (include the version you are using, if applicable):
Version 23D
Code Snippet (add any code snippets that support your topic, if applicable):
0