Injector

Hi Guys. Can someone explain me how working LoL injectors (Bol, GoS...) ?
I have some scripts (.lua) to this game and now i want to code my own injector. Can someone help me with it ?

Ok @Zaczero helped me, but I still need help

I tried to write my own injector and I made it, but I have some weird bugs @Zaczero i heard u have rly big knowledge. Can u help me again?

To close.
//2short.