Anyone getting cashback from XTB? How much are you getting?

Is anyone earning cashback from XTB? On their website they say they offer cashback but don't actually put any numbers on it.

In fact they say its agreed with an account manager so maybe they offer different levels based on trades? So if anyone is getting cashback from them please can you let me know so i can use it to bargain more out of them :-)

From their website:

I am not exactly sure about this. Is XTB a broker or something else? I am working under my friend with Octafx, so I get around 7/8 bucks from 15 overall. I think that’s fairly good, but there are many sites having cash back service for various brokers, but I don’t prefer such sites because they are not trustable. I like to keep things in my own control because that way I can be relaxed and be much cooler with performance.