How to add a Credit Card:
 
  1. Click Management
  2. Click System Defined Fields
  3. Click Credit Card
  4. In the Name Field you can add the name of the Credit Card you would like to see listed (i.e. American Express)
  5. Click Add Value
  6. Click Save and Finish

How to disable a Credit Card:
  1. Click Management
  2. Click System Defined Fields
  3. Click Credit Card
  4. Identify the Credit Card you wish to disable and click the Enabled link below this option. This will disable the Credit Card
  5. Click Save and Finish
Live DIY pages will need to be republished to reflect changes made to the Credit Card values.