Hotreload: Make updates to your gameplay code while the game is running using Unreal Engine 4's popular Hot Reload feature. This tool allows you to edit C++ code and see those changes reflected immediately in-game without ever pausing gameplay.
That sounds like IT-Porn^^ @Sivan have you tried this already?
MY Website with news of my projects: (for example my current Muliplayer Bomberman, GenesisPrecompiler for LiteC and TileMaster, an easy to use Tile editor) Sparetime-Development