Python. Create track for exposed float variable in sequencer?

I have animation blueprint with “exposed to sequencer” float variable (Gesture Weight ).
With Python I can add in sequencer

  • actor track
    -component track
    -animation blueprint track
    But how i can add track for exposed variable (Gesture Weigh) in my animation blueprint?

exp

Desirable result

Clipboard02

This solved it.
Thanks!
[Python: Start visibility section/track in hidden (Sequencer)]