unet5.1 anim Trigger parameter/ how do I use NetworkAnimator.SetTrigger() ??

okay, so all my animations work over the network, Except my jump animation, it uses a trigger param.
- a NetworkAnimator component on the character
- a script with NetworkAnimator.SetParameterAutoSend(0, true) // for each param, has it.
- player input script calls animations Animator.SetFloat() , Animator.SetInt(), Animator.SetTrigger

...all works except jump... (character moves, anim doesnt play)
so i look in the docs and i find NetworkAnimator.SetTrigger() .. and i...

unet5.1 anim Trigger parameter/ how do I use NetworkAnimator.SetTrigger() ??