Learn how to set up a Control Rig Blueprint to drive and animate a Skeletal Mesh, illustrate how Control Rigs can be driven through the Sequencer cinematic tool, and how you can blend to and from other animation states within an Animation Blueprint.
https://dev.epicgames.com/community/learning/talks-and-demos/9my/enhancing-animation-with-control-rig-gdc-2019-unreal-engine