YouTube videos and Knowledge Base articles exist regarding the new Admin Portal and Billing Portal for Transaction Pro Online.
Search "Admin Tool" to locate them or email email@example.com with any questions.
How is a discount entered when importing Receive Payments?
The amount mapped to the Discount Amount field needs to be expressed as a positive amount. The Discount Account field needs to be the lowest sub-account number or sub-account name of the General Ledger account.