This is a list of all of the important SendClasses in Garry's Mod, and which ones have completed datatables.
- Class #0: AR2Explosion
- Class #1: CAI_BaseNPC
- Class #2: CAlyxEmpEffect
- Class #3: CBaseAnimating
- Class #4: CBaseAnimatingOverlay
- Class #5: CBaseCombatCharacter
- Class #6: CBaseCombatWeapon
- Class #7: CBaseDoor
- Class #8: CBaseEntity
- Class #9: CBaseFlex
- Class #10: CBaseGrenade
- Class #11: CBaseHelicopter
- Class #12: CBaseHelicopter_HL1
- Class #13: CBaseHL1CombatWeapon
- Class #14: CBaseHL1MPCombatWeapon
- Class #15: CBaseHL2MPBludgeonWeapon
- Class #16: CBaseHL2MPCombatWeapon
- Class #17: CBaseHLBludgeonWeapon
- Class #18: CBaseHLCombatWeapon
- Class #19: CBaseParticleEntity
- Class #20: CBasePlayer
- Class #21: CBasePropDoor
- Class #22: CBaseTempEntity
- Class #23: CBaseToggle
- Class #24: CBaseTrigger
- Class #25: CBaseViewModel
- Class #26: CBeam
- Class #27: CBeamSpotlight
- Class #28: CBoneFollower
- Class #29: CBoneManipulate
- Class #30: CBreakableProp
- Class #31: CBreakableSurface
- Class #32: CCitadelEnergyCore
- Class #33: CColorCorrection
- Class #34: CColorCorrectionVolume
- Class #35: CCrossbowBolt
- Class #36: CDynamicLight
- Class #37: CDynamicProp
- Class #38: CEmbers
- Class #39: CEntityDissolve
- Class #40: CEntityFlame
- Class #41: CEntityParticleTrail
- Class #42: CEnvAmbientLight
- Class #43: CEnvDetailController
- Class #44: CEnvHeadcrabCanister
- Class #45: CEnvParticleScript
- Class #46: CEnvProjectedTexture
- Class #47: CEnvQuadraticBeam
- Class #48: CEnvScreenEffect
- Class #49: CEnvScreenOverlay
- Class #50: CEnvStarfield
- Class #51: CEnvTonemapController
- Class #52: CEnvWind
- Class #53: CFireSmoke
- Class #54: CFireTrail
- Class #55: CFish
- Class #56: CFlare
- Class #57: CFleshEffectTarget
- Class #58: CFlexManipulate
- Class #59: CFogController
- Class #60: CFunc_Dust
- Class #61: CFunc_LOD
- Class #62: CFuncAreaPortalWindow
- Class #63: CFuncConveyor
- Class #64: CFuncLadder
- Class #65: CFuncMonitor
- Class #66: CFuncOccluder
- Class #67: CFuncReflectiveGlass
- Class #68: CFuncRotating
- Class #69: CFuncSmokeVolume
- Class #70: CFuncTrackTrain
- Class #71: CGameRulesProxy
- Class #72: CGMOD_Player
- Class #73: CGMODGameRulesProxy
- Class #74: CHL2_Player
- Class #75: CHL2MP_Player
- Class #76: CHL2MPGameRulesProxy
- Class #77: CHL2MPMachineGun
- Class #78: CHL2MPRagdoll
- Class #79: CHLMachineGun
- Class #80: CHLSelectFireMachineGun
- Class #81: CInfoLadderDismount
- Class #82: CInfoLightingRelative
- Class #83: CInfoOverlayAccessor
- Class #84: CInfoTeleporterCountdown
- Class #85: CLaserDot
- Class #86: CLaserDot_HL1
- Class #87: CLightGlow
- Class #88: CLuaNextBot
- Class #89: CMaterialModifyControl
- Class #90: CMortarShell
- Class #91: CNPC_AntlionGuard
- Class #92: CNPC_Barnacle
- Class #93: CNPC_Barney
- Class #94: CNPC_CombineGunship
- Class #95: CNPC_Manhack
- Class #96: CNPC_Portal_FloorTurret
- Class #97: CNPC_Puppet
- Class #98: CNPC_RocketTurret
- Class #99: CNPC_RollerMine
- Class #100: CNPC_Strider
- Class #101: CNPC_Vortigaunt
- Class #102: CParticlePerformanceMonitor
- Class #103: CParticleSystem
- Class #104: CPhysBeam
- Class #105: CPhysBox
- Class #106: CPhysBoxMultiplayer
- Class #107: CPhysicsProp
- Class #108: CPhysicsPropMultiplayer
- Class #109: CPhysMagnet
- Class #110: CPlasma
- Class #111: CPlayerResource
- Class #112: CPointCamera
- Class #113: CPointWorldText
- Class #114: CPoseController
- Class #115: CPrecipitation
- Class #116: CPrecipitationBlocker
- Class #117: CPredictedViewModel
- Class #118: CPropAirboat
- Class #119: CPropCombineBall
- Class #120: CPropCrane
- Class #121: CPropDoorRotating
- Class #122: CPropEnergyBall
- Class #123: CPropJeep
- Class #124: CPropJeepEpisodic
- Class #125: CPropScalable
- Class #126: CPropVehicleChoreoGeneric
- Class #127: CPropVehicleDriveable
- Class #128: CPropVehiclePrisonerPod
- Class #129: CRagdollManager
- Class #130: CRagdollProp
- Class #131: CRagdollPropAttached
- Class #132: CRopeKeyframe
- Class #133: CRotorWashEmitter
- Class #134: CRpgRocket
- Class #135: CSceneEntity
- Class #136: CScriptIntro
- Class #137: CSENT_AI
- Class #138: CSENT_anim
- Class #139: CSENT_point
- Class #140: CShadowControl
- Class #141: CSlideshowDisplay
- Class #142: CSmokeStack
- Class #143: CSpatialEntity
- Class #144: CSpotlightEnd
- Class #145: CSprite
- Class #146: CSpriteOriented
- Class #147: CSpriteTrail
- Class #148: CSteamJet
- Class #149: CSun
- Class #150: CTeam
- Class #151: CTEAntlionDust
- Class #152: CTEArmorRicochet
- Class #153: CTEBaseBeam
- Class #154: CTEBeamEntPoint
- Class #155: CTEBeamEnts
- Class #156: CTEBeamFollow
- Class #157: CTEBeamLaser
- Class #158: CTEBeamPoints
- Class #159: CTEBeamRing
- Class #160: CTEBeamRingPoint
- Class #161: CTEBeamSpline
- Class #162: CTEBloodSprite
- Class #163: CTEBloodStream
- Class #164: CTEBreakModel
- Class #165: CTEBSPDecal
- Class #166: CTEBubbles
- Class #167: CTEBubbleTrail
- Class #168: CTEClientProjectile
- Class #169: CTEConcussiveExplosion
- Class #170: CTEDecal
- Class #171: CTEDust
- Class #172: CTEDynamicLight
- Class #173: CTEEffectDispatch
- Class #174: CTEEnergySplash
- Class #175: CTEExplosion
- Class #176: CTEFizz
- Class #177: CTEFootprintDecal
- Class #178: CTEGaussExplosion
- Class #179: CTEGlowSprite
- Class #180: CTEHL2MPFireBullets
- Class #181: CTEKillPlayerAttachments
- Class #182: CTELargeFunnel
- Class #183: CTEMetalSparks
- Class #184: CTEMuzzleFlash
- Class #185: CTEParticleSystem
- Class #186: CTEPhysicsProp
- Class #187: CTEPlayerAnimEvent
- Class #188: CTEPlayerDecal
- Class #189: CTEProjectedDecal
- Class #190: CTEShatterSurface
- Class #191: CTEShowLine
- Class #192: CTesla
- Class #193: CTESmoke
- Class #194: CTESparks
- Class #195: CTESprite
- Class #196: CTESpriteSpray
- Class #197: CTEWorldDecal
- Class #198: CTriggerPlayerMovement
- Class #199: CVGuiScreen
- Class #200: CVortigauntChargeToken
- Class #201: CVortigauntEffectDispel
- Class #202: CWaterBullet
- Class #203: CWaterLODControl
- Class #204: CWeapon357
- Class #205: CWeapon357_HL1
- Class #206: CWeapon_SLAM
- Class #207: CWeaponAlyxGun
- Class #208: CWeaponAnnabelle
- Class #209: CWeaponAR2
- Class #210: CWeaponBugBait
- Class #211: CWeaponCitizenPackage
- Class #212: CWeaponCitizenSuitcase
- Class #213: CWeaponCrossbow
- Class #214: CWeaponCrossbow_HL1
- Class #215: CWeaponCrowbar
- Class #216: CWeaponCrowbar_HL1
- Class #217: CWeaponCubemap
- Class #218: CWeaponCycler
- Class #219: CWeaponEgon
- Class #220: CWeaponFrag
- Class #221: CWeaponGauss
- Class #222: CWeaponGlock
- Class #223: CWeaponHandGrenade
- Class #224: CWeaponHgun
- Class #225: CWeaponHL2MPBase
- Class #226: CWeaponMP5
- Class #227: CWeaponOldManHarpoon
- Class #228: CWeaponPhysCannon
- Class #229: CWeaponPhysGun
- Class #230: CWeaponPistol
- Class #231: CWeaponRPG
- Class #232: CWeaponRPG_HL1
- Class #233: CWeaponSatchel
- Class #234: CWeaponShotgun
- Class #235: CWeaponShotgun_HL1
- Class #236: CWeaponSMG1
- Class #237: CWeaponSnark
- Class #238: CWeaponStunStick
- Class #239: CWeaponSWEP
- Class #240: CWeaponTripMine
- Class #241: CWorld
- Class #242: DustTrail
- Class #243: MovieExplosion
- Class #244: NextBotCombatCharacter
- Class #245: ParticleSmokeGrenade
- Class #246: RocketTrail
- Class #247: SmokeTrail
- Class #248: SporeExplosion