Learn how to use PCG in Unreal Engine by creating your first forest from an empty level. This beginner tutorial covers the PCG graph, landscape sampling, tree placement, and the fundamentals of procedural content generation step by step.
https://dev.epicgames.com/community/learning/tutorials/l5v0/unreal-engine-fab-ue5-series-pcg-for-beginners-level-setup-first-pcg-graph