FnI

MFnIkEffector
Inverse kinematics end effector function set (OpenMayaAnim) (OpenMayaAnim.py)
MFnIkHandle
Function set for inverse kinematics (IK) handles (OpenMayaAnim) (OpenMayaAnim.py)
MFnIkJoint
Function set for joints (OpenMayaAnim) (OpenMayaAnim.py)
MFnIkSolver
Function set for inverse kinematics (IK) solvers (OpenMayaAnim) (OpenMayaAnim.py)
MFnInstancer
(OpenMayaFX) (OpenMayaFX.py)
MFnIntArrayData
int array function set for dependency node data. (OpenMaya) (OpenMaya.py)