In this video I will introduce you to the Unreal Engine Plugin system and I’ll show you how you can create a simple plugin in C++ that will add a new button to the right-click context menu in the Content Browser that will automatically add the appropriate industry-standard naming convention to the asset.
https://dev.epicgames.com/community/learning/tutorials/7Kzb/introduction-to-unreal-engine-editor-plugins-in-c