Builds the pickwalking relationship between all components currently applied to the character. Allowing the use of pickwalking keys to navigate rig controls across the entire character.
This is a relatively slow process and can take a few seconds, which is why it's not automatically built when the rig builds.
Script Command:
import rigging.usertools; rigging.usertools.helix_rigger.HelixRigger().build_pickwalking(None, None)