Angular Rotation Offset in PhAT

Hi guys!

Our characters (robots) have pretty complex legs so I’m implementing angular limits for FABRIK. I want to use PhAT’s constraints setup for that, but I can’t find Angular Rotation Offset parameter (UE 4.9.2).
I need to rotate angular limits.
I can do that by simply rotating constraint with rotation tool, but I need to get this rotation in C++.
Found the Angular Rotation Offset parameter in documentation, but there is no such parameter in my editor.