method records how the buyer paid:
CASH — cash in hand
CHECK — paper check
ACH — bank transfer
WIRE — wire transfer
CARD — credit or debit card
APPLIED_CREDIT — applied from existing credit/overpayment
HOLD_AT_OFFICE — funds held at the office (not yet a real tender)
Pick the one that matches how the money came in. For checks, ACH, and wires, also fill in the reference number.
Technical section
Data model, API, and internals — visible to developers.