Spring Arm Relative Rotation, can't get it work

Development Programming & Scripting
1

So i’m definitely doing something wrong
My SpringArm with camera dont want to torate at all, plz help

275201-mouseinput-problem.png
275201-mouseinput-problem.png2416×886 495 KB

2

Use “Add Local Rotation” node. They should be functionally identical, but IDK why Relative Rotation doesn’t work.