I get it now. Ok so you want to just have “turn in place” feature. I made code for it. Hook this up for timer for example. What is does is checking control rotation (camera) is in same direction sa capsule (leg in this case) within 10 degress error tolerance. If not, it rotates smoothly capsule, which means is lower body.
Maybe strafing is better what you need? As I wrote before, it is used in aiming mode. To see it in BP_TPPCharacter, select component " Aiming Mode Right Helper Cam " and move it back, then in game start to aim. Charcater will use strafing blendspace (BS_Running)
If you want to lock upper body, you can also do that. I’m explaining it in video https://www.youtube.com/watch?v=5RJtLmMIm4M
These nodes (selected with blue) are reference from level bluerpint. These are actors on level and this script is done in level blueprint.