How to blend texture on screen space using multiply?

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Hi all,

Im exploring the Unreal Engine with an Oculus Rift 2 in the field of lighting research and currently Im trying to resolve an issue of the OR2 having a hotspot. It is hardly noticeable with bare eye, but to us it makes a difference.

So I have this texture I can blend using multiply method in Photoshop and that fixes the hotspot. Now I need to do that in Unreal Engine and I tried to find other people doing similar things and that is how I found this link: APlayerCameraManager | Unreal Engine Documentation

However, it didnt seem like I can do the multiply blend using those functions. Any ideas of how to do it?

Best,

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UPDATE: I a map for the hotspot compensation on the screen as a HUD element by following this tutorial: https://docs.unrealengine.com/latest/INT/Engine/UMG/QuickStart/4/index.html

Now Im stuck at blending it to the screen using multiply. Any ideas? Is it even possible to do so?

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UPDATE2: figured it out. You just need to use pp to create a material. Check this page: A new, community-hosted Unreal Engine Wiki - Announcements - Epic Developer Community Forums