Adds an int8 field to the monitor extension message, associating that field
with a name. If the named field already exists the method will update the
value of the named field.
Note: This method should only be invoked when using a single,
global RTserver connection via the TipSvc.getSrv method.
public static void setInt8( stringdata_name, longdata );
Parameters
data_name
the name associated with the extension data being added.
data
the int8 data to be added to the monitor extension message.