FnG

MFnGenericAttribute
Generic attribute function set. (OpenMaya) (OpenMaya.py)
MFnGeometryData
Geometry data function set. (OpenMaya) (OpenMaya.py)
MFnGeometryFilter
geometry filter function set (OpenMayaAnim) (OpenMayaAnim.py)
MFnGravityField
Function set for Gravity Fields (OpenMayaFX) (OpenMayaFX.py)