Invisible emissive mesh for lumen

Is it possible to have mesh with emissive material to be invisible for camera and maybe reflections too?

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To exclude object from camera but keep it for lumen, set “Owner only see” parameter to true.

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We added AffectIndirectLightingWhileHidden in 5.1 for this. Keep in mind, that screen space traces will still pick up that object, as they will anything visible on screen.

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