Creating Custom Level Blueprints in C++
Here’s a wiki on how you can make your own C++ Level Blueprints so that you can easily store and access variable data for levels in C++!
You can also make your own functions specifically for your game, that your level designers can then use, that are backed by the power of C++!
Creating Custom Level Blueprints in C++
https://wiki.unrealengine./Solus_C%2B%2B_Tutorials#Solus_C.2B.2B_Tutorial:_Creating_Custom_Level_Blueprints_in_C.2B.2B