To Rotator / From Rotator Control Rig Blueprint

I have benn looking literally everywhere and I can’t find any information on this node. The node can be found in the Mannequin Control rig blueprint. its called To Rotator and From Rotator and I can’t figure out how to make it. Does anyone have any info on how this node is created
image_2023-12-04_214240170

I might be wrong, but it seems like “To rotator” was depreciated, I am on 5.3 and I have a graph with a “To rotator” node but when I copy and paste it, it gives me a “cast” node. In any case, it seems the equivalent now is to drag from rotation pin, select “cast” and then break: