user: What is Index – U and how is it used in Blender Python scripting?

assistant: py.types.CompositorNodeInpaint.html#bpy.types.CompositorNodeInpaint.update)   - [(bpy.types.CompositorNodeInvert method)](bpy.types.CompositorNodeInvert.html#bpy.types.CompositorNodeInvert.update)   - [(bpy.types.CompositorNodeKeying method)](bpy.types.CompositorNodeKeying.html#bpy.types.CompositorNodeKeying.update)   - [(bpy.types.CompositorNodeKeyingScreen method)](bpy.types.CompositorNodeKeyingScreen.html#bpy.types.CompositorNodeKeyingScreen.update)   - [(bpy.types.CompositorNodeKuwahara method)](bpy.types.CompositorNodeKuwahara.html#bpy.types.CompositorNodeKuwahara.update)   - [(bpy.types.CompositorNodeLensdist method)](bpy.types.CompositorNodeLensdist.html#bpy.types.CompositorNodeLensdist.update)   - [(bpy.types.CompositorNodeLevels method)](bpy.types.CompositorNodeLevels.html#bpy.types.CompositorNodeLevels.update)   - [(bpy.types.CompositorNodeLumaMatte method)](bpy.types.CompositorNodeLumaMatte.html#bpy.types.CompositorNodeLumaMatte.update)   - [(bpy.types.CompositorNodeMapUV method)](bpy.types.CompositorNodeMapUV.html#bpy.types.CompositorNodeMapUV.update)   - [(bpy.types.CompositorNodeMask method)](bpy.types.CompositorNodeMask.html#bpy.types.CompositorNodeMask.update)   - [(bpy.types.CompositorNodeMovieClip method)](bpy.types.CompositorNodeMovieClip.html#bpy.types.CompositorNodeMovieClip.update)   - [(bpy.types.CompositorNodeMovieDistortion method)](bpy.types.CompositorNodeMovieDistortion.html#bpy.types.CompositorNodeMovieDistortion.update)   - [(bpy.types.CompositorNodeNormal method)](bpy.types.CompositorNodeNormal.html#bpy.types.CompositorNodeNormal.update)   - [(bpy.types.CompositorNodeNormalize method)](bpy.types.CompositorNodeNormalize.html#bpy.types.CompositorNodeNormalize.update)   - [(bpy.types.CompositorNodeOutputFile method)](bpy.types.CompositorNodeOutputFile.html#bpy.types.CompositorNodeOutputFile.update)   - [(bpy.types.CompositorNodePixelate method)](bpy.types.CompositorNodePixelate.html#bpy.types.CompositorNodePixelate.update)   - [(bpy.types.CompositorNodePlaneTrackDeform method)](bpy.types.CompositorNodePlaneTrackDeform.html#bpy.types.CompositorNodePlaneTrackDeform.update)   - [(bpy.types.CompositorNodePosterize method)](bpy.types.CompositorNodePosterize.html#bpy.types.CompositorNodePosterize.update)   - [(bpy.types.CompositorNodePremulKey method)](bpy.types.CompositorNodePremulKey.html#bpy.types.CompositorNodePremulKey.update)   - [(bpy.types.CompositorNodeRelativeToPixel method)](bpy.types.CompositorNodeRelativeToPixel.html#bpy.types.CompositorNodeRelativeToPixel.update)   - [(bpy.types.CompositorNodeRGB method)](bpy.types.CompositorNodeRGB.html#bpy.types.CompositorNodeRGB.update)   - [(bpy.types.CompositorNodeRGBToBW method)](bpy.types.CompositorNodeRGBToBW.html#bpy.types.CompositorNodeRGBToBW.update)   - [(bpy.types.CompositorNodeRLayers method)](bpy.types.CompositorNodeRLayers.html#bpy.types.CompositorNodeRLayers.update)   - [(bpy.types.CompositorNodeRotate method)](bpy.types.CompositorNodeRotate.html#bpy.types.CompositorNodeRotate.update)   - [(bpy.types.CompositorNodeScale method)](bpy.types.CompositorNodeScale.html#bpy.types.CompositorNodeScale.update)   - [(bpy.types.CompositorNodeSceneTime method)](bpy.types.CompositorNodeSceneTime.html#bpy.types.CompositorNodeSceneTime.update)   - [(bpy.types.CompositorNodeSeparateColor method)](bpy.types.CompositorNodeSeparateColor.html#bpy.types.CompositorNodeSeparateColor.update)   - [(bpy.types.CompositorNodeSetAlpha method)](bpy.types.CompositorNodeSetAlpha.html#bpy.types.CompositorNodeSetAlpha.update)   - [(bpy.types.CompositorNodeSplit method)](bpy.types.CompositorNodeSplit.html#bpy.types.CompositorNodeSplit.update)   - [(bpy.types.CompositorNodeStabilize method)](bpy.types.CompositorNodeStabilize.html#bpy.types.CompositorNodeStabilize.update)   - [(bpy.types.CompositorNodeSwitch method)](bpy.types.CompositorNodeSwitch.html#bpy.types.CompositorNodeSwitch.update)   - [(bpy.types.CompositorNodeSwitchView method)](bpy.types.CompositorNodeSwitchView.html#bpy.types.CompositorNodeSwitchView.update)   - [(bpy.types.CompositorNodeTime method)](bpy.types.CompositorNodeTime.html#bpy.types.CompositorNodeTime.update)   - [(bpy.types.CompositorNodeTonemap method)](bpy.types.CompositorNodeTonemap.html#bpy.types.CompositorNodeTonemap.update)   - [(bpy.types.CompositorNodeTrackPos method)](bpy.types.CompositorNodeTrackPos.html#bpy.types.CompositorNodeTrackPos.update)   - [(bpy.types.CompositorNodeTransform method)](bpy.types.CompositorNodeTransform.html#bpy.types.CompositorNodeTransform.update)   - [(bpy.types.CompositorNodeTranslate method)](bpy.types.CompositorNodeTranslate.html#bpy.types.CompositorNodeTranslate.update)   - [(bpy.types.CompositorNodeVecBlur method)](bpy.types.CompositorNodeVecBlur.html#bpy.types.CompositorNodeVecBlur.update)   - [(bpy.types.CompositorNodeViewer method)](bpy.types.CompositorNodeViewer.html#bpy.types.CompositorNodeViewer.update)   - [(bpy.types.CompositorNodeZcombine method)](bpy.types.CompositorNodeZcombine.html#bpy.types.CompositorNodeZcombine.update)   - [(bpy.types.CurveMapping method)](bpy.types.CurveMapping.html#bpy.types.CurveMapping.update)   - [(bpy.types.CurveProfile method)](bpy.types.CurveProfile.html#bpy.types.CurveProfile.update)   - [(bpy.types.Depsgraph method)](bpy.types.Depsgraph.html#bpy.types.Depsgraph.update)   - [(bpy.types.FCurve method)](bpy.types.FCurve.html#bpy.types.FCurve.update)   - [(bpy.types.HydraRenderEngine method)](bpy.types.HydraRenderEngine.html#bpy.types.HydraRenderEngine.update)   - [(bpy.types.Image method)](bpy.types.Image.html#bpy.types.Image.update)   - [(bpy.types.KeyConfigurations method)](bpy.types.KeyConfigurations.html#bpy.types.KeyConfigurations.update)   - [(bpy.types.Mesh method)](bpy.types.Mesh.html#bpy.types.Mesh.update)   - [(bpy.types.Node method)](bpy.types.Node.html#bpy.types.Node.update)   - [(bpy.types.NodeInternal method)](bpy.types.NodeInternal.html#bpy.types.NodeInternal.update)   - [(bpy.types.NodeTree method)](bpy.types.NodeTree.html#bpy.types.NodeTree.update)   - [(bpy.types.RegionView3D method)](bpy.types.RegionView3D.html#bpy.types.RegionView3D.update)   - [(bpy.types.RenderEngine method)](bpy.types.RenderEngine.html#bpy.types.RenderEngine.update)   - [(bpy.types.ViewLayer method)](bpy.types.ViewLayer.html#bpy.types.ViewLayer.update)   - [(gpu.types.GPUUniformBuf method)](gpu.types.html#gpu.types.GPUUniformBuf.update)   - [(idprop.types.idprop.types.IDPropertyGroup method)](idprop.types.html#idprop.types.idprop.types.IDPropertyGroup.update) - [update_animated_transform_constraints() (in module bpy.ops.anim)](bpy.ops.anim.html#bpy.ops.anim.update_animated_transform_constraints) - [update_animation_flags() (in module bpy.ops.sound)](bpy.ops.sound.html#bpy.ops.sound.update_animation_flags) - [update_autoflags() (bpy.types.FCurve method)](bpy.types.FCurve.html#bpy.types.FCurve.update_autoflags) - [update_custom_camera() (bpy.types.RenderEngine method)](bpy.types.RenderEngine.html#bpy.types.RenderEngine.update_custom_camera) - [update_edit_mesh() (in module bmesh)](bmesh.html#bmesh.update_edit_mesh) - [update_fedges() (freestyle.types.freestyle.types.ViewEdge method)](freestyle.types.html#freestyle.types.freestyle.types.ViewEdge.update_fedges) - [update_from_editmode() (bpy.types.Object method)](bpy.types.Object.html#bpy.types.Object.update_from_editmode) - [update_gpu_tag() (bpy.types.Curve method)](bpy.types.Curve.html#bpy.types.Curve.update_gpu_tag)   - [(bpy.types.Lattice method)](bpy.types.Lattice.html#bpy.types.Lattice.update_gpu_tag)   - [(bpy.types.Mesh method)](bpy.types.Mesh.html#bpy.types.Mesh.update_gpu_tag)   - [(bpy.types.MetaBall method)](bpy.types.MetaBall.html#bpy.types.MetaBall.update_gpu_tag) - [update_image_from_plane_marker() (in module bpy.ops.clip)](bpy.ops.clip.html#bpy.ops.clip.update_image_from_plane_marker) - [update_length() (freestyle.types.freestyle.types.Stroke method)](freestyle.types.html#freestyle.types.freestyle.types.Stroke.update_length) - [update_memory_stats() (bpy.types.RenderEngine method)](bpy.types.RenderEngine.html#bpy.types.RenderEngine.update_memory_stats) - [update_method (bpy.types.MetaBall attribute)](bpy.types.MetaBall.html#bpy.types.MetaBall.update_method) - [update_progress() (bpy.types.RenderEngine method)](bpy.types.RenderEngine.html#bpy.types.RenderEngine.update_progress) - [update_render_engine() (bpy.types.Scene class method)](bpy.types.Scene.html#bpy.types.Scene.update_render_engine) - [update_render_passes() (bpy.types.RenderEngine method)](bpy.types.RenderEngine.html#bpy.types.RenderEngine.update_render_passes)   - [(bpy.types.ViewLayer class method)](bpy.types.ViewLayer.html#bpy.types.ViewLayer.update_render_passes) - [update_result() (bpy.types.RenderEngine method)](bpy.types.RenderEngine.html#bpy.types.RenderEngine.update_result) - [update_script_node() (bpy.types.RenderEngine method)](bpy.types.RenderEngine.html#bpy.types.RenderEngine.update_script_node) - [update_shader() (in module bpy.ops.text)](bpy.ops.text.html#bpy.ops.text.update_shader) - [update_shapes() (in module bpy.ops.object)](bpy.ops.object.html#bpy.ops.object.update_shapes) - [update_stats() (bpy.types.RenderEngine method)](bpy.types.RenderEngine.html#bpy.types.RenderEngine.update_stats) - [update_tag() (bpy.types.ID method)](bpy.types.ID.html#bpy.types.ID.update_tag) - [url_open() (in module bpy.ops.wm)](bpy.ops.wm.html#bpy.ops.wm.url_open) - [url_open_preset() (in module bpy.ops.wm)](bpy.ops.wm.html#bpy.ops.wm.url_open_preset) - [usage (bpy.types.ObjectLineArt attribute)](bpy.types.ObjectLineArt.html#bpy.types.ObjectLineArt.usage) - [usd (in module bpy.app)](bpy.app.html#bpy.app.usd) - [usd_export() (in module bpy.ops.wm)](bpy.ops.wm.html#bpy.ops.wm.usd_export) - [usd_import() (in module bpy.ops.wm)](bpy.ops.wm.html#bpy.ops.wm.usd_import) - [USDHook (class in bpy.types)](bpy.types.USDHook.html#bpy.types.USDHook) - [use (bpy.types.CollisionSettings attribute)](bpy.types.CollisionSettings.html#bpy.types.CollisionSettings.use)   - [(bpy.types.FreestyleModuleSettings attribute)](bpy.types.FreestyleModuleSettings.html#bpy.types.FreestyleModuleSettings.use)   - [(bpy.types.LineStyleAlphaModifier_AlongStroke attribute)](bpy.types.LineStyleAlphaModifier_AlongStroke.html#bpy.types.LineStyleAlphaModifier_AlongStroke.use)   - [(bpy.types.LineStyleAlphaModifier_CreaseAngle attribute)](bpy.types.LineStyleAlphaModifier_CreaseAngle.html#bpy.types.LineStyleAlphaModifier_CreaseAngle.use)   - [(bpy.types.LineStyleAlphaModifier_Curvature_3D attribute)](bpy.types.LineStyleAlphaModifier_Curvature_3D.html#bpy.types.LineStyleAlphaModifier_Curvature_3D.use)   - [(bpy.types.LineStyleAlphaModifier_DistanceFromCamera attribute)](bpy.types.LineStyleAlphaModifier_DistanceFromCamera.html#bpy.types.LineStyleAlphaModifier_DistanceFromCamera.use)   - [(bpy.types.LineStyleAlphaModifier_DistanceFromObject attribute)](bpy.types.LineStyleAlphaModifier_DistanceFromObject.html#bpy.types.LineStyleAlphaModifier_DistanceFromObject.use)   - [(bpy.types.LineStyleAlphaModifier_Material attribute)](bpy.types.LineStyleAlphaModifier_Material.html#bpy.types.LineStyleAlphaModifier_Material.use)   - [(bpy.types.LineStyleAlphaModifier_Noise attribute)](bpy.types.LineStyleAlphaModifier_Noise.html#bpy.types.LineStyleAlphaModifier_Noise.use)   - [(bpy.types.LineStyleAlphaModifier_Tangent attribute)](bpy.types.LineStyleAlphaModifier_Tangent.html#bpy.types.LineStyleAlphaModifier_Tangent.use)   - [(bpy.types.LineStyleColorModifier_AlongStroke attribute)](bpy.types.LineStyleColorModifier_AlongStroke.html#bpy.types.LineStyleColorModifier_AlongStroke.use)   - [(bpy.types.LineStyleColorModifier_CreaseAngle attribute)](bpy.types.LineStyleColorModifier_CreaseAngle.html#bpy.types.LineStyleColorModifier_CreaseAngle.use)   - [(bpy.types.LineStyleColorModifier_Curvature_3D attribute)](bpy.types.LineStyleColorModifier_Curvature_3D.html#bpy.types.LineStyleColorModifier_Curvature_3D.use)   - [(bpy.types.LineStyleColorModifier_DistanceFromCamera attribute)](bpy.types.LineStyleColorModifier_DistanceFromCamera.html#bpy.types.LineStyleColorModifier_DistanceFromCamera.use)   - [(bpy.types.LineStyleColorModifier_DistanceFromObject attribute)](bpy.types.LineStyleColorModifier_DistanceFromObject.html#bpy.types.LineStyleColorModifier_DistanceFromObject.use)   - [(bpy.types.LineStyleColorModifier_Material attribute)](bpy.types.LineStyleColorModifier_Material.html#bpy.types.LineStyleColorModifier_Material.use)   - [(bpy.types.LineStyleColorModifier_Noise attribute)](bpy.types.LineStyleColorModifier_Noise.html#bpy.types.LineStyleColorModifier_Noise.use)   - [(bpy.types.LineStyleColorModifier_Tangent attribute)](bpy.types.LineStyleColorModifier_Tangent.html#bpy.types.LineStyleColorModifier_Tangent.use)   - [(bpy.types.LineStyleGeometryModifier_2DOffset attribute)](bpy.types.LineStyleGeometryModifier_2DOffset.html#bpy.types.LineStyleGeometryModifier_2DOffset.use)   - [(bpy.types.LineStyleGeometryModifier_2DTransform attribute)](bpy.types.LineStyleGeometryModifier_2DTransform.html#bpy.types.LineStyleGeometryModifier_2DTransform.use)   - [(bpy.types.LineStyleGeometryModifier_BackboneStretcher attribute)](bpy.types.LineStyleGeometryModifier_BackboneStretcher.html#bpy.types.LineStyleGeometryModifier_BackboneStretcher.use)   - [(bpy.types.LineStyleGeometryModifier_BezierCurve attribute)](bpy.types.LineStyleGeometryModifier_BezierCurve.html#bpy.types.LineStyleGeometryModifier_BezierCurve.use)   - [(bpy.types.LineStyleGeometryModifier_Blueprint attribute)](bpy.types.LineStyleGeometryModifier_Blueprint.html#bpy.types.LineStyleGeometryModifier_Blueprint.use)   - [(bpy.types.LineStyleGeometryModifier_GuidingLines attribute)](bpy.types.LineStyleGeometryModifier_GuidingLines.html#bpy.types.LineStyleGeometryModifier_GuidingLines.use)   - [(bpy.types.LineStyleGeometryModifier_PerlinNoise1D attribute)](bpy.types.LineStyleGeometryModifier_PerlinNoise1D.html#bpy.types.LineStyleGeometryModifier_PerlinNoise1D.use)   - [(bpy.types.LineStyleGeometryModifier_PerlinNoise2D attribute)](bpy.types.LineStyleGeometryModifier_PerlinNoise2D.html#bpy.types.LineStyleGeometryModifier_PerlinNoise2D.use)   - [(bpy.types.LineStyleGeometryModifier_Polygonalization attribute)](bpy.types.LineStyleGeometryModifier_Polygonalization.html#bpy.types.LineStyleGeometryModifier_Polygonalization.use)   - [(bpy.types.LineStyleGeometryModifier_Sampling attribute)](bpy.types.LineStyleGeometryModifier_Sampling.html#bpy.types.LineStyleGeometryModifier_Sampling.use)   - [(bpy.types.LineStyleGeometryModifier_Simplification attribute)](bpy.types.LineStyleGeometryModifier_Simplification.html#bpy.types.LineStyleGeometryModifier_Simplification.use)   - [(bpy.types.LineStyleGeometryModifier_SinusDisplacement attribute)](bpy.types.LineStyleGeometryModifier_SinusDisplacement.html#bpy.types.LineStyleGeometryModifier_SinusDisplacement.use)   - [(bpy.types.LineStyleGeometryModifier_SpatialNoise attribute)](bpy.types.LineStyleGeometryModifier_SpatialNoise.html#bpy.types.LineStyleGeometryModifier_SpatialNoise.use)   - [(bpy.types.LineStyleGeometryModifier_TipRemover attribute)](bpy.types.LineStyleGeometryModifier_TipRemover.html#bpy.types.LineStyleGeometryModifier_TipRemover.use)   - [(bpy.types.LineStyleThicknessModifier_AlongStroke attribute)](bpy.types.LineStyleThicknessModifier_AlongStroke.html#bpy.types.LineStyleThicknessModifier_AlongStroke.use)   - [(bpy.types.LineStyleThicknessModifier_Calligraphy attribute)](bpy.types.LineStyleThicknessModifier_Calligraphy.html#bpy.types.LineStyleThicknessModifier_Calligraphy.use)   - [(bpy.types.LineStyleThicknessModifier_CreaseAngle attribute)](bpy.types.LineStyleThicknessModifier_CreaseAngle.html#bpy.types.LineStyleThicknessModifier_CreaseAngle.use)   - [(bpy.types.LineStyleThicknessModifier_Curvature_3D attribute)](bpy.types.LineStyleThicknessModifier_Curvature_3D.html#bpy.types.LineStyleThicknessModifier_Curvature_3D.use)   - [(bpy.types.LineStyleThicknessModifier_DistanceFromCamera attribute)](bpy.types.LineStyleThicknessModifier_DistanceFromCamera.html#bpy.types.LineStyleThicknessModifier_DistanceFromCamera.use)   - [(bpy.types.LineStyleThicknessModifier_DistanceFromObject attribute)](bpy.types.LineStyleThicknessModifier_DistanceFromObject.html#bpy.types.LineStyleThicknessModifier_DistanceFromObject.use)   - [(bpy.types.LineStyleThicknessModifier_Material attribute)](bpy.types.LineStyleThicknessModifier_Material.html#bpy.types.LineStyleThicknessModifier_Material.use)   - [(bpy.types.LineStyleThicknessModifier_Noise attribute)](bpy.types.LineStyleThicknessModifier_Noise.html#bpy.types.LineStyleThicknessModifier_Noise.use)   - [(bpy.types.LineStyleThicknessModifier_Tangent attribute)](bpy.types.LineStyleThicknessModifier_Tangent.html#bpy.types.LineStyleThicknessModifier_Tangent.use)   - [(bpy.types.SceneRenderView attribute)](bpy.types.SceneRenderView.html#bpy.types.SceneRenderView.use)   - [(bpy.types.TransformOrientationSlot attribute)](bpy.types.TransformOrientationSlot.html#bpy.types.TransformOrientationSlot.use)   - [(bpy.types.UserSolidLight attribute)](bpy.types.UserSolidLight.html#bpy.types.UserSolidLight.use)   - [(bpy.types.ViewLayer attribute)](bpy.types.ViewLayer.html#bpy.types.ViewLayer.use) - [use_2d_force (bpy.types.FieldSettings attribute)](bpy.types.FieldSettings.html#bpy.types.FieldSettings.use_2d_force) - [use_2d_stabilization (bpy.types.MovieTrackingStabilization attribute)](bpy.types.MovieTrackingStabilization.html#bpy.types.MovieTrackingStabilization.use_2d_stabilization) - [use_3d_position (bpy.types.FollowTrackConstraint attribute)](bpy.types.FollowTrackConstraint.html#bpy.types.FollowTrackConstraint.use_3d_position) - [use_absolute (bpy.types.FluidFlowSettings attribute)](bpy.types.FluidFlowSettings.html#bpy.types.FluidFlowSettings.use_absolute) - [use_absolute_alpha (bpy.types.DynamicPaintBrushSettings attribute)](bpy.types.DynamicPaintBrushSettings.html#bpy.types.DynamicPaintBrushSettings.use_absolute_alpha) - [use_absolute_path_time (bpy.types