The reason that an Order was filled
{ "$schema": "http://json-schema.org/draft-07/schema#", "title": "OrderFillReason", "description": "The reason that an Order was filled", "type": "string", "enum": [ "LIMIT_ORDER", "STOP_ORDER", "MARKET_IF_TOUCHED_ORDER", "TAKE_PROFIT_ORDER", "STOP_LOSS_ORDER", "TRAILING_STOP_LOSS_ORDER", "MARKET_ORDER", "MARKET_ORDER_TRADE_CLOSE", "MARKET_ORDER_POSITION_CLOSEOUT", "MARKET_ORDER_MARGIN_CLOSEOUT", "MARKET_ORDER_DELAYED_TRADE_CLOSE" ] }