Macro to get a pointer on a publisher data stream to be filled according to XML definition.
Parameters:
EVENT_TYPE
the Event name which the stream is associated with: must be written as a symbol, not a string
oStream
a smart pointer on the empty stream to be filled before the event is fired.
NB : When the event is fired, the system associates automatically the filled stream with
this event.
This object is included in the file: ENOVDataEventMacro.h