MDMsgID (Tag = 3110, Type: String)

Unique message identifier for MarketDataSnapshotFullRefresh(35=W) or MarketDataIncrementalRefresh(35=X) message.

To be used in MarketDataAck(35=EQ) message as reference to market data message being acknowledged.

Used in:

• MarketDataSnapshotFullRefresh (W)
• MarketDataIncrementalRefresh (X)
• MarketDataAck (EQ)