Getting the value of the light falling on a surface, for example in lux

Development Programming & Scripting Blueprint
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1

Hi.
Can I get the value of the light falling on a surface, for example in lux, in Unreal Engine?

I can see this in HDR (Eye adaptation) mode, which I shared the image of. Is it possible to get this value in blueprint/Runtime?

hdr histogram
hdr histogram1107×882 78.8 KB

Thank you.

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2

Hi, I need to extract the same value in UE5. Have you found any ways to achieve that?