File 
class MFnKeyframeDeltaAddRemove 
class MFnKeyframeDeltaBlockAddRemove 
class MFnKeyframeDeltaBreakdown 
class MFnKeyframeDeltaInfType 
class MFnKeyframeDeltaMove 
class MFnKeyframeDeltaScale 
class MFnKeyframeDeltaTangent 
class MFnKeyframeDeltaWeighted 
class MFnLambertShader 
class MFnLattice 
class MFnLatticeData 
class MFnLatticeDeformer 
class MFnLayeredShader 
class MFnLight 
class MFnLightDataAttribute 
class MFnManip3D 
class MFnMatrixAttribute 
class MFnMatrixData 
class MFnMesh 
class MFnMeshData 
class MFnMessageAttribute 
class MFnMotionPath 
class MFnNewtonField 
class MFnNObjectData 
class MFnNonAmbientLight 
class MFnNonExtendedLight 
class MFnNumericAttribute 
class MFnNumericData 
class MFnNurbsCurve 
class MFnNurbsCurveData 
class MFnNurbsSurface 
class MFnNurbsSurfaceData 
class MFnParticleSystem 
class MFnPartition 
class MFnPfxGeometry 
class MFnPhongEShader 
class MFnPhongShader 
class MFnPlugin 
class MFnPluginData 
class MFnPointArrayData 
class MFnPointLight 
class MFnPointOnCurveManip 
class MFnPointOnSurfaceManip 
class MFnRadialField 
class MFnReflectShader 
class MFnRenderLayer 
class MFnRotateManip 
class MFnScaleManip 
class MFnSet 
class MFnSingleIndexedComponent 
class MFnSkinCluster 
class MFnSphereData 
class MFnSpotLight 
class MFnStateManip 
class MFnStringArrayData 
class MFnStringData 
class MFnSubd 
class MFnSubdData 
class MFnSubdNames 
class MFnToggleManip 
class MFnTransform 
class MFnTripleIndexedComponent 
class MFnTurbulenceField 
class MFnTypedAttribute 
class MFnUInt64ArrayData 
class MFnUniformField 
class MFnUnitAttribute 
class MFnVectorArrayData 
class MFnVolumeAxisField 
class MFnVolumeLight 
class MFnVortexField 
class MFnWeightGeometryFilter 
class MFnWireDeformer 
class MGeometry 
class MGeometryData 
class MGeometryManager 
class MGeometryPrimitive 
class MGeometryRequirements 
class MGLFunctionTable