ikGroupHandle: handle of the IK group that contains the IK element to modify
tipDummyHandle: handle of the tip dummy object of the IK element
: the constraints
of the ik element. sim_ik_avoidance_constraint is not allowed
precision: an array of two values where the first represents the linear precision, and the second the angular precision. Can be NULL to keep current settings.
weight: an array of two values that represent the linear and angular resolution weights. Can be NULL to keep current settings.
reserved: reserved for future extensions. Keep at NULL