Dynamic component fixed axis relation in?

hello all ,
I ask for a problem with me.so I need help
it’s how to make this part changeable with this line above at the base

after changing the cabinet size … this part go away and can’t fix it with
relation to saving him in the first pic

if there is any solution it will help me more thanks.

you need to post the model,

oh sorry
okay I uploaded it down
thanks so much

model.skp (1.0 MB)

is the model work?

Hey there, what’s the size you change when that part moves that way?
One thing that could cause it is that its axes are not aligned with the main model ones (either you align them or compensate the movement by fixing the component location X Y and Z)