File: WebAPI/otc_1.proto
Key that uniquely identifies each BalanceItem.
Type: string
Description: For CASH_ORDER and HEDGE_ORDER - Order ID assigned by the server to originally placed order. For BALANCE_OFFSET - Offset ID assigned by OTC.
Type: uint32
Description: This field is associated with ItemType enum.
•CASH_ORDER = 1
•HEDGE_ORDER = 2
•BALANCE_OFFSET = 3