3D Moving Platform help

[boobzooka]

Can anyone help me out with this? what do I need to write in ACS or whatever etc to make it work, I have 2 pictures one in 2D view and one in 3D view so you can get the idea of what I mean.

[Kappes Buur]

I assume you mean platforms moving horizontally.

 

Ckeck out this ZDoom post.