Vraysky -- visible to reflect but not camera?

V-Ray V-Ray for 3ds Max General
1

I want to render the static portion of an animation with Vraysky -- no problem.

Then I want to render the animated objects only for compositing into the background. I want to render the animated objects on a black background so the alpha channel is clean.

How can I set the vraysky to be visible in the animated objects reflections but not be visible to the camera?

2

hmm leave max environment black and set vray environment to have vray sky…nothing special about that?

3

okay right. It’s been a while since I used a vray env map. I basically forgot it was there.

thanks.