EMA C++ RDM Usage Guide : 7 Market By Order Domain : 7.3 Data : 7.3.2 Summary Data
 
7.3.2 Summary Data
The Map.SummaryData only needs to be present for the first refresh part. Typical fields in the Map.SummaryData include:
Permission information (PROD_PERM)
Currency of the orders (CURRENCY)
Trade Units for the precision at which order prices are set (TRD_UNITS)
Market State (MKT_ST_IND)
Identifier of the exchange on which the orders were placed (RDN_EXCHD2)
Price Ranking Rules (PR_RNK_RUL)
Order Ranking Rules (OR_RNK_RUL)
Quote Date (QUOTE_DATE)
RIC of the underlying equity (STOCK_RIC)