Thanks Kalle-H
That was what I was thinking, call me null but I can´t understand the file structure, is like there are A LOT of shaders there, I can do the basecolor and specular from the material editor from within UE, but I can´t find the variables I need to multiply the emissive with the shadows, but I´ll try again right now, I have to finally understand how this works because in many situations some small modification to the shaders are needed and I want to know how to do them.
Thanks for your help! again!
Cheers.