Learn how to create new Deformers directly inside Unreal utilizing the Deformer Graph, Unreal’s GPU deformer system and Control Rig.
This video shows how to create a new deformer graph from scratch and connect it to a Control Rig, ready for animation or for use at runtime.
https://dev.epicgames.com/community/learning/talks-and-demos/9d99/unreal-engine-creating-deformers-in-unreal-5-5