UE4 False Ceiling indirect illumination

Development Rendering
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1

Dear Comunity,
im trying to build a realisitic interior scene, where i need to make a rectangular false ceiling in a walkway and indirect illumation coming from the upper sides of it.

i tried using point light and make it a tube (thus creating 4 point lights one for each side. 2 of them with 100cm dimension, and 2 of them 400cm dimension) it didn’t work.

i tried to make a rectangular tube volume of 5x5cm hidden in the false ceiling volume, and tried to use material light emission, and it didn’t work.

am i missing something or is there a better simpler way to do that?

thanks in advance.

2

For the emissive material lighting, did you use LPV? (Light propagation Volume) so it tells the emissive material what to light?