Các lớp đóng vai trò đại diện cho những đối tượng và dịch vụ cốt lõi trong Roblox Engine. Các lớp này chứa thuộc tính, phương thức, sự kiện và hàm gọi lại.
A57 Lớp
AccessoryAccessoryDescriptionAccoutrementActorAdGuiAdPortalAdServiceAdvancedDraggerAirControllerAlignOrientationAlignPositionAnalyticsServiceAngularVelocityAnimationAnimationClipAnimationClipProviderAnimationConstraintAnimationControllerAnimationNodeDefinitionAnimationRigDataAnimationTrackAnimatorArcHandlesAssetDeliveryProxyAssetPatchSettingsAssetServiceAtmosphereAtmosphereSensorAttachmentAudioAnalyzerAudioChannelMixerAudioChannelSplitterAudioChorusAudioCompressorAudioDeviceInputAudioDeviceOutputAudioDistortionAudioEchoAudioEmitterAudioEqualizerAudioFaderAudioFilterAudioFlangerAudioGateAudioLimiterAudioListenerAudioPagesAudioPitchShifterAudioPlayerAudioRecorderAudioReverbAudioSearchParamsAudioSpeechToTextAudioTextToSpeechAudioTremoloAvatarCreationServiceAvatarEditorService
B37 Lớp
BackpackBackpackItemBadgeServiceBallSocketConstraintBanHistoryPagesBaseCoreGuiConfigurationBasePartBasePlayerGuiBaseRemoteEventBaseScriptBaseWrapBeamBevelMeshBillboardGuiBinaryStringValueBindableEventBindableFunctionBlockMeshBloomEffectBlurEffectBodyAngularVelocityBodyColorsBodyForceBodyGyroBodyMoverBodyPartDescriptionBodyPositionBodyThrustBodyVelocityBoneBoolValueBoxHandleAdornmentBrickColorValueBrowserServiceBubbleChatConfigurationBubbleChatMessagePropertiesBuoyancySensor
C57 Lớp
CFrameValueCacheableContentProviderCameraCanvasGroupCaptureCaptureServiceCapturesPagesCapturesViewConfigurationCatalogPagesChangeHistoryServiceChannelTabsConfigurationCharacterAppearanceCharacterMeshChatChatInputBarConfigurationChatWindowConfigurationChatWindowMessagePropertiesChorusSoundEffectClickDetectorClientReplicatorClimbControllerClothingCloudsClusterPacketCacheCollectionServiceColor3ValueColorCorrectionEffectColorGradingEffectCommerceServiceCompositeValueCurveCompressorSoundEffectConeHandleAdornmentConfigServiceConfigSnapshotConfigurationConfigureServerServiceConstraintContentProviderContextActionServiceControllerControllerBaseControllerManagerControllerPartSensorControllerSensorControllerServiceCookiesServiceCoreGuiCoreGuiConfigurationCornerWedgePartCreatorStoreServiceCurveAnimationCustomEventCustomEventReceiverCustomLogCylinderHandleAdornmentCylinderMeshCylindricalConstraint
D31 Lớp
DataModelDataModelMeshDataStoreDataStoreGetOptionsDataStoreIncrementOptionsDataStoreInfoDataStoreKeyDataStoreKeyInfoDataStoreKeyPagesDataStoreListingPagesDataStoreObjectVersionInfoDataStoreOptionsDataStorePagesDataStoreServiceDataStoreSetOptionsDataStoreVersionPagesDebrisDebugSettingsDecalDepthOfFieldEffectDialogDialogChoiceDigitsRigDescriptionDistortionSoundEffectDockWidgetPluginGuiDoubleConstrainedValueDraftsServiceDragDetectorDraggerDraggerServiceDynamicRotate
E9 Lớp
F20 Lớp
G23 Lớp
H21 Lớp
I19 Lớp
L14 Lớp
M29 Lớp
MLServiceMLSessionMakeupDescriptionManualGlueManualSurfaceJointInstanceManualWeldMarkerCurveMarketplaceServiceMatchmakingServiceMaterialServiceMaterialVariantMemStorageConnectionMemoryStoreHashMapMemoryStoreHashMapPagesMemoryStoreQueueMemoryStoreServiceMemoryStoreSortedMapMeshContentProviderMeshPartMessageMessagingServiceModelModerationServiceModuleScriptMotorMotor6DMotorFeatureMouseMouseService
N10 Lớp
P58 Lớp
PVAdornmentPVInstancePackageLinkPackageServicePagesPantsPartPartAdornmentPartOperationPartOperationAssetParticleEmitterPathPath2DPathfindingLinkPathfindingModifierPathfindingServicePhysicsServicePhysicsSettingsPitchShiftSoundEffectPlanePlaneConstraintPlatformPlayerPlayerGuiPlayerListConfigurationPlayerMousePlayerScriptsPlayerViewServicePlayersPluginPluginActionPluginCapabilitiesPluginConnectionPluginConnectionServicePluginDebugServicePluginDragEventPluginGuiPluginGuiServicePluginManagementServicePluginManagerPluginManagerInterfacePluginMenuPluginMousePluginToolbarPluginToolbarButtonPointLightPointsServicePolicyServicePosePoseBasePostEffectPrismaticConstraintProceduralModelProcessInstancePhysicsServiceProximityPromptProximityPromptServicePublishServicePyramidHandleAdornment
R37 Lớp
RayValueRecommendationPagesRecommendationServiceReflectionMetadataReflectionMetadataCallbacksReflectionMetadataClassReflectionMetadataClassesReflectionMetadataEnumReflectionMetadataEnumItemReflectionMetadataEnumsReflectionMetadataEventsReflectionMetadataFunctionsReflectionMetadataItemReflectionMetadataMemberReflectionMetadataPropertiesReflectionMetadataYieldFunctionsReflectionServiceRemoteCommandServiceRemoteDebuggerServerRemoteEventRemoteFunctionRenderSettingsReplicatedFirstReplicatedStorageReverbSoundEffectRigidConstraintRocketPropulsionRodConstraintRopeConstraintRotateRotatePRotateVRotationCurveRunServiceRunningAverageItemDoubleRunningAverageItemIntRunningAverageTimeIntervalItem
S84 Lớp
SceneAnalysisServiceScreenGuiScreenshotCaptureScreenshotHudScriptScriptContextScriptDebuggerServiceScriptDocumentScriptEditorServiceScriptProfilerServiceScriptServiceScrollingFrameSeatSelectionSelectionBoxSelectionHighlightManagerSelectionLassoSelectionPartLassoSelectionPointLassoSelectionSphereSelfViewConfigurationSensorBaseSerializationServiceServerReplicatorServerScriptServiceServerStorageServiceProviderSharedTableRegistryShirtShirtGraphicSkateboardControllerSkateboardPlatformSkinSkySlidingBallConstraintSlimContentProviderSmokeSnapSocialServiceSolidModelContentProviderSoundSoundEffectSoundGroupSoundServiceSparklesSpawnLocationSpawnerServiceSpecialMeshSphereHandleAdornmentSpotLightSpringConstraintStandalonePluginScriptsStandardPagesStarterCharacterScriptsStarterGearStarterGuiStarterPackStarterPlayerStarterPlayerScriptsStatsStatsItemStatusStopWatchReporterStringValueStudioStudioCaptureServiceStudioDeviceSimulatorServiceStudioScreenshotCaptureStudioServiceStudioTestServiceStudioThemeStyleBaseStyleDeriveStyleLinkStyleQueryStyleRuleStyleSheetSunRaysEffectSurfaceAppearanceSurfaceGuiSurfaceGuiBaseSurfaceLightSurfaceSelectionSwimController
T42 Lớp
TaskSchedulerTeamTeamsTeleportAsyncResultTeleportOptionsTeleportServiceTerrainTerrainDetailTerrainRegionTestServiceTextBoxTextBoxServiceTextButtonTextChannelTextChannelWindowTextChatCommandTextChatConfigurationsTextChatMessageTextChatMessagePropertiesTextChatServiceTextFilterResultTextFilterTranslatedResultTextGeneratorTextLabelTextServiceTextSourceTextureTimerServiceToolTorqueTorsionSpringConstraintTotalCountTimeIntervalItemTouchInputServiceTouchTransmitterTrailTranslatorTremoloSoundEffectTriangleMeshPartTrussPartTweenTweenBaseTweenService
U28 Lớp
UIAspectRatioConstraintUIBaseUIComponentUIConstraintUICornerUIDragDetectorUIFlexItemUIGradientUIGridLayoutUIGridStyleLayoutUILayoutUIListLayoutUIPaddingUIPageLayoutUIScaleUIShadowUISizeConstraintUIStrokeUITableLayoutUITextSizeConstraintUnionOperationUniqueIdLookupServiceUniversalConstraintUnreliableRemoteEventUserGameSettingsUserInputServiceUserServiceUserSettings
V23 Lớp