Ah gotcha,
Yes, control rig operates more in a functional programming way and allows us to work in ways that Maya cannot. If you haven’t had a chance to review the videos and documents that Chase and the rest of the dev have put together here:
https://dev.epicgames.com/community/learning/tutorials/6VM8/unreal-engine-control-rig-resources
I recommend it, because there are very good insights on the differences between the 2 systems.