EMA C++ RDM Usage Guide : 9 Market Maker Domain : 9.1 Description
 
9.1 Description
The Market Maker domain provides access to market maker quotes and trade information. The list of market makers is sent in the form of a Map. Each MapEntry represents one market maker (using that market maker’s ID as its key) and contains a FieldList describing information such as that market maker’s bid and ask prices, quote time, and market source.
 
NOTE: GenericMsg(s) are not supported for the MMT_MARKET_MAKER Domain Model.