In this tutorial we will go through step by step on how to get started on using the Procedural Content Generation inside of Unreal Engine. By the end of the video, you will be able to create a simple forest while having learned a basic understanding of the tools used. Enjoy!
https://dev.epicgames.com/community/learning/tutorials/ODE2/introduction-to-procedural-content-generation-pcg-in-unreal-engine