qr code reader unreal engine 5.1 Visual Studio 2019 C++

Hello, very good afternoon.
I am new using c++. I am trying to create a qr code reader in unreal engine 5.1 using c++ in visual studio 2019, I integrated the zxing library, however I cannot use it. I’m trying to give my Pawn (MyPawnQR) the ability to read qr codes.


Any information on how to use this library or similar unreal engine projects using c++ could be of great help, thank you very much