Rear elecric window retrofit 2013 Fabia estate

Hi everyone, I'm trying to understand exactly what I need to do in order to retrofit the rear electric windows in my 2013 Fabia Estate 1.2 TSI CBZA. Till now I've bought both rear door wiring and switches, driver door (LHD) windows switch assembly, and various pin connectors, all founded for very cheap around 50€. I'm taking suggestions from this topic,

Now I'm waiting to purchase the driver door wiring loom for around 130 € shipped (I want to buy a new Skoda genune part i've already dealt whit broken wiring looms, and i don't want to purchase a used one) and both rear windows regulators and electric motor, (I've founded all this item used in really good condition for around 95€ shipped), but i've stopped the purchase because I'm struggling a bit to understand from where take the main feed (12V), the imput for the rear electric motors and the 12V to light for the retroillumination in the rear switches, I have all the electric scheme wich I'm tryng to study/understand but I'm not able to find a pinout for the comfort module to understand if i have the predisposition (wich pin to look at) or if i have to replace the unit (if is the right module to check for the LIN BUS feed); I've already retrofitted the CCS, but it was like 7 to 8 years ago, so I don't remember the exact OEM number of the comfort module (it is a genuine skoda part), but I believe it should have the predisposition for the rear electric windows; also on VCDS, I have the possibility to code the rear electric windows.

Any help is very welcome.

Thanks in advance.