Navigate to "System" in the Operations Portal.
Then, go to "Settings".
Search for the "dollarcreditcardfee" or "percentagecreditcardfee".
Click on the more details icon.
Enter the value of your preferred convenience fee.
Then, click "Save".
Once configured, the dollar or the percentage amount will be displayed for the customer's card payment method. Any convenience fee enabled at the company level will override this global setting for that company.