How do I fade along the z axis in this decal?

[sweeetjd]

I’ve got this material that produces a black box on a decal, and it can be focused or defocused based on a parameter.

I’m trying to get it to fade as it goes down the z-axis, but I can’t figure out how to rotate a linear gradient to get it to do that. I’ve tried rotators and rotateAboutAxis but can’t seem to get any good results.

[Auran131 (Auran13)]

not sure if this is what you mean but this causes it only to be drawn on top

[sweeetjd]

No, but this might be even better than what I was going for. Thanks!