how to address all tracks at once in M4L (chains//instrument rack//Live 9)

    Aug 21 2013 | 7:41 pm
    Hello everybody,
    I'm building a very simple patch in M4L which should be able to change the values of ALL chain selectors of the Instrument Racks at once. I simply don't manage to get it to work. Is there any other command than "tracks 0" etc, something like "alltracks" or something similar?
    Thanks a lot in advance!