1. Navigate to Communities > Special Events > Friends Asking Friends > Build Your Own Event (Custom FAF) 
  2. Click on your event
  3. Select the Administer tab
  4. Select the Payments subtab
  5. Enter the search criteria for the payment you would like to reverse and click Search
  6. Hover over the Payment ID and select Manage Payment 
  7. Click Delete
  8. Select Reversal and enter a Description
  9. Click Save