The command_numbers table is currently hosted directly in the s3d table. In a future release it will be found in the s3d.ui table where it really belongs, but references to s3d.command_numbers will continue to work.
-- The "About" menu item...
s3d.command_numbers.cAboutApp = 1 -- "About <appname>"
-- The "Preferences" menu item...
s3d.command_numbers.cPreferences = 1024
-- The "File" menu...
s3d.command_numbers.cNew = 10 -- "New" (??? reserve a range of NEW commands ???)
s3d.command_numbers.cOpen = 20 -- "Open " (??? reserve a range of OPEN commands ???)
s3d.command_numbers.cOpenAs = 29
s3d.command_numbers.cSave = 30 -- "Save"
s3d.command_numbers.cClose = 31 -- "Close"
s3d.command_numbers.cSaveAs = 32 -- "Save as"
s3d.command_numbers.cSaveCopy = 33 -- "Save a Copy in "
s3d.command_numbers.cRevert = 34 -- "Revert" (to previous version)
s3d.command_numbers.cImport = 1000
s3d.command_numbers.cExport = 1002
s3d.command_numbers.cPageSetup = 176 -- "Page Setup"
s3d.command_numbers.cPrintOne = 177 -- "Print One Copy"
s3d.command_numbers.cPrint = 178 -- "Print"
s3d.command_numbers.cQuit = 36 -- "Quit"
-- The "Edit" menu...
s3d.command_numbers.cUndo = 101 -- "Undo <command>"
s3d.command_numbers.cRedo = 102 -- "Redo <command>"
s3d.command_numbers.cCut = 103 -- "Cut"
s3d.command_numbers.cCopy = 104 -- "Copy"
s3d.command_numbers.cPaste = 105 -- "Paste"
s3d.command_numbers.cClear = 106 -- "Clear"
s3d.command_numbers.cShowClipboard = 35 -- "Show Clipboard"/ "Hide Clipboard"
s3d.command_numbers.cDuplicate = 1020
s3d.command_numbers.cReplicate = 1021
s3d.command_numbers.cSnapToGrids = 1034
s3d.command_numbers.cHideGrids = 1025
s3d.command_numbers.cActivateXGrid = 1026
s3d.command_numbers.cActivateYGrid = 1027
s3d.command_numbers.cActivateZGrid = 1028
s3d.command_numbers.cShowXGrid = 1029
s3d.command_numbers.cShowYGrid = 1030
s3d.command_numbers.cShowZGrid = 1031
s3d.command_numbers.cSetUnits = 1022
s3d.command_numbers.cCustomizeMenus = 1023
-- The "Selection" menu...
s3d.command_numbers.cSelectAll = 110 -- "Select All"
s3d.command_numbers.cSelectNone = 1040
s3d.command_numbers.cMouseFilter = 1041
s3d.command_numbers.cMakeSelectedHidden = 1042
s3d.command_numbers.cShowAllHidden = 1043
s3d.command_numbers.cMakeSelectedShy = 1044
s3d.command_numbers.cNormalizeAllShy = 1045
s3d.command_numbers.cMakeSelectedConstruction = 1046
s3d.command_numbers.cNormalizeAllConstruction = 1047
s3d.command_numbers.cHideAnimationPaths = 1048
s3d.command_numbers.cShowAnimationPaths = 1049
-- The "Modeling" menu...
s3d.command_numbers.cReshape = 1060
s3d.command_numbers.cEndReshapeEdit = 1061
s3d.command_numbers.cConvert = 1062
s3d.command_numbers.cAlign = 1063
s3d.command_numbers.cRecenter = 1064
s3d.command_numbers.cGroup = 1065
s3d.command_numbers.cUngroup = 1066
-- More modeling commands...
s3d.command_numbers.cAlignPoints = 1071
s3d.command_numbers.cCurveFromPath = 1081
s3d.command_numbers.cFitProjection = 1073
s3d.command_numbers.cMakeFirst = 1072
s3d.command_numbers.cSmoothMesh = 1074
s3d.command_numbers.cUnboolean = 1082
-- The "Rendering" menu...
s3d.command_numbers.cRender = 1075
s3d.command_numbers.cRenderVector = 1103
s3d.command_numbers.cRenderLive3D = 1104
s3d.command_numbers.cRenderingQueue = 1076
s3d.command_numbers.cSuspendRendering = 1077
s3d.command_numbers.cSuspendAndContinue = 1078
-- The "Windows" menu...
s3d.command_numbers.cNewWindow = 1085
s3d.command_numbers.cDockPalettes = 1101
s3d.command_numbers.cStackPalettes = 1102
s3d.command_numbers.cEnvironmentPaletteShowHide = 1087
s3d.command_numbers.cExtensionPaletteShowHide = 1088
s3d.command_numbers.cObjectPaletteShowHide = 1089
s3d.command_numbers.cResourcePaletteShowHide = 1091
s3d.command_numbers.cStatusPaletteShowHide = 1084
s3d.command_numbers.cToolPaletteShowHide = 1093
s3d.command_numbers.cProjectWindowShowHide = 1090
s3d.command_numbers.cButtonBarShowHide = 1086
s3d.command_numbers.cFitViewsToAll = 1094
s3d.command_numbers.cFitViewsToSelected = 1095
s3d.command_numbers.cFitViewsToGrid = 1099
s3d.command_numbers.cResetViews = 1100
s3d.command_numbers.cShowEnvironmentLightsTab = 1151
s3d.command_numbers.cShowEnvironmentAirTab = 1152
s3d.command_numbers.cShowEnvironmentBackgroundTab = 1153
s3d.command_numbers.cShowEnvironmentGroundTab = 1154
s3d.command_numbers.cShowObjectPropsObjectTab = 1161
s3d.command_numbers.cShowObjectPropsTransformTab = 1162
s3d.command_numbers.cShowObjectPropsTerrainTab = 1163
s3d.command_numbers.cShowDetailsHistoryTab = 1171
s3d.command_numbers.cShowDetailsInfoTab = 1172
s3d.command_numbers.cShowDetailsScriptingTab = 1173
s3d.command_numbers.cShowDetailsLinksTab = 1174
-- The modeling view "Plus" menu...
s3d.command_numbers.cModelingViewNewWindow = 1501
s3d.command_numbers.cModelingViewNewCamera = 1503
s3d.command_numbers.cModelingViewSplit = 5500
s3d.command_numbers.cModelingViewRemove = 5502
s3d.command_numbers.cModelingViewReset = 5503
s3d.command_numbers.cModelingViewFastBoxesNone = 1505
s3d.command_numbers.cModelingViewFastBoxesLevel0 = 1506
s3d.command_numbers.cModelingViewFastBoxesLevel1 = 1507
s3d.command_numbers.cModelingViewFastBoxesLevel2 = 1508
s3d.command_numbers.cModelingViewFastBoxesLevel3 = 1509
s3d.command_numbers.cModelingViewFastBoxesLevel4 = 1510
s3d.command_numbers.cModelingViewFastBoxesLevel5 = 1511
s3d.command_numbers.cModelingViewSetBackdrop = 1513
s3d.command_numbers.cModelingViewShowHideBackdrop = 1514
s3d.command_numbers.cModelingViewRemoveBackdrop = 1515
s3d.command_numbers.cModelingViewRender = 1512
-- The camera window "Plus" menu...
s3d.command_numbers.cCameraViewFastBoxesNone = s3d.command_numbers.cModelingViewFastBoxesNone
s3d.command_numbers.cCameraViewFastBoxesLevel0 = s3d.command_numbers.cModelingViewFastBoxesLevel0
s3d.command_numbers.cCameraViewFastBoxesLevel1 = s3d.command_numbers.cModelingViewFastBoxesLevel1
s3d.command_numbers.cCameraViewFastBoxesLevel2 = s3d.command_numbers.cModelingViewFastBoxesLevel2
s3d.command_numbers.cCameraViewFastBoxesLevel3 = s3d.command_numbers.cModelingViewFastBoxesLevel3
s3d.command_numbers.cCameraViewFastBoxesLevel4 = s3d.command_numbers.cModelingViewFastBoxesLevel4
s3d.command_numbers.cCameraViewFastBoxesLevel5 = s3d.command_numbers.cModelingViewFastBoxesLevel5
s3d.command_numbers.cCameraViewSetBackdrop = 1516
s3d.command_numbers.cCameraViewShowHideBackdrop = 1517
s3d.command_numbers.cCameraViewRemoveBackdrop = 1518
s3d.command_numbers.cCameraViewRender = s3d.command_numbers.cModelingViewRender
-- The spotlight window "Plus" menu...
s3d.command_numbers.cSpotlightViewFastBoxesNone = s3d.command_numbers.cModelingViewFastBoxesNone
s3d.command_numbers.cSpotlightViewFastBoxesLevel0 = s3d.command_numbers.cModelingViewFastBoxesLevel0
s3d.command_numbers.cSpotlightViewFastBoxesLevel1 = s3d.command_numbers.cModelingViewFastBoxesLevel1
s3d.command_numbers.cSpotlightViewFastBoxesLevel2 = s3d.command_numbers.cModelingViewFastBoxesLevel2
s3d.command_numbers.cSpotlightViewFastBoxesLevel3 = s3d.command_numbers.cModelingViewFastBoxesLevel3
s3d.command_numbers.cSpotlightViewFastBoxesLevel4 = s3d.command_numbers.cModelingViewFastBoxesLevel4
s3d.command_numbers.cSpotlightViewFastBoxesLevel5 = s3d.command_numbers.cModelingViewFastBoxesLevel5
s3d.command_numbers.cSpotlightViewSetBackdrop = 1519
s3d.command_numbers.cSpotlightViewShowHideBackdrop = 1520
s3d.command_numbers.cSpotlightViewRemoveBackdrop = 1521
s3d.command_numbers.cSpotlightViewRender = s3d.command_numbers.cModelingViewRender
-- The environment palette "Plus" menu...
s3d.command_numbers.cEnvironmentPaletteExpandCollapse = 2553
-- The extension palette "Plus" menu...
s3d.command_numbers.cExtensionPaletteExpandCollapse = 2554
-- The object palette "Plus" menu...
s3d.command_numbers.cObjectPaletteExpandCollapse = 2552
s3d.command_numbers.cObjectPaletteReshape = 2565
-- The resource palette "Plus" menu...
s3d.command_numbers.cResourcePaletteExpandCollapse = 2550
s3d.command_numbers.cResourcePaletteSave = 2557
s3d.command_numbers.cResourcePaletteDeleteUnused = 2559
s3d.command_numbers.cResourcePaletteDeleteSelected = 2558
s3d.command_numbers.cResourcePaletteReplaceSelected = 2563
s3d.command_numbers.cResourcePaletteExchangeSelected = 2564
-- The status palette "Plus" menu...
s3d.command_numbers.cStatusPaletteExpandCollapse = 2566
-- The project window "Plus" menu...
s3d.command_numbers.cProjectWindowFloat = 5010
s3d.command_numbers.cProjectWindowExpandCollapseHorizontally = 2551
s3d.command_numbers.cProjectWindowExpandCollapseVertically = 2570
s3d.command_numbers.cProjectWindowPreview = 5000
s3d.command_numbers.cProjectWindowAddComplexityNode = 5011
s3d.command_numbers.cProjectWindowAddCycleNode = 5006
s3d.command_numbers.cProjectWindowAddLifeNode = 5004
s3d.command_numbers.cProjectWindowAddURLNode = 5005
s3d.command_numbers.cProjectWindowDeleteComplexityNode = 5013
s3d.command_numbers.cProjectWindowDeleteCycleNode = 5012
s3d.command_numbers.cProjectWindowDeleteLifeNode = 5007
s3d.command_numbers.cProjectWindowDeleteURLNode = 5008
s3d.command_numbers.cProjectWindowDeleteEmptyNode = 5009
s3d.command_numbers.cProjectWindowEditKeyFrame = 5002
s3d.command_numbers.cProjectWindowDeleteKeyFrames = 5003
s3d.command_numbers.cProjectWindowSnapKeyFrames = 5014