There appears to be some discussion on that here: Control Liftmaster LA400 Gate Opener via HA? - #17 by Chmynard
It looks like there is some functionality, but there are some “gotchas”.
There appears to be some discussion on that here: Control Liftmaster LA400 Gate Opener via HA? - #17 by Chmynard
It looks like there is some functionality, but there are some “gotchas”.