# Functions
FromMessage creates a MarketDefinitionRequest from a quickfix.Message instance.
New returns a MarketDefinitionRequest initialized with the required fields for MarketDefinitionRequest.
Route returns the beginstring, message type, and MessageRoute for this Message type.
# Structs
MarketDefinitionRequest is the fix50sp1 MarketDefinitionRequest type, MsgType = BT.
# Type aliases
A RouteOut is the callback type that should be implemented for routing Message.