# Mappings Reference ## **ARKit (61 morphs)** 52 facial blendshapes + 9 rotation values (head + eyes) ```json [ "EyeBlinkLeft", "EyeLookDownLeft", "EyeLookInLeft", "EyeLookOutLeft", "EyeLookUpLeft", "EyeSquintLeft", "EyeWideLeft", "EyeBlinkRight", "EyeLookDownRight", "EyeLookInRight", "EyeLookOutRight", "EyeLookUpRight", "EyeSquintRight", "EyeWideRight", "JawForward", "JawRight", "JawLeft", "JawOpen", "MouthClose", "MouthFunnel", "MouthPucker", "MouthRight", "MouthLeft", "MouthSmileLeft", "MouthSmileRight", "MouthFrownLeft", "MouthFrownRight", "MouthDimpleLeft", "MouthDimpleRight", "MouthStretchLeft", "MouthStretchRight", "MouthRollLower", "MouthRollUpper", "MouthShrugLower", "MouthShrugUpper", "MouthPressLeft", "MouthPressRight", "MouthLowerDownLeft", "MouthLowerDownRight", "MouthUpperUpLeft", "MouthUpperUpRight", "BrowDownLeft", "BrowDownRight", "BrowInnerUp", "BrowOuterUpLeft", "BrowOuterUpRight", "CheekPuff", "CheekSquintLeft", "CheekSquintRight", "NoseSneerLeft", "NoseSneerRight", "TongueOut", "HeadYaw", "HeadPitch", "HeadRoll", "LeftEyeYaw", "LeftEyePitch", "LeftEyeRoll", "RightEyeYaw", "RightEyePitch", "RightEyeRoll"] ``` ## MetaHuman (251 Morphs) ### Categorized Overview ```typescript // MetaHuman (251 morphs) — Unreal Engine MetaHuman CTRL_expressions_* [ // Brows (0–7) — 8 controls "CTRL_expressions_browDownL", "CTRL_expressions_browDownR", "CTRL_expressions_browRaiseInL", "CTRL_expressions_browRaiseInR", // ... 4 more brow controls // Ears (8–9) — 2 controls "CTRL_expressions_earUpL", "CTRL_expressions_earUpR", // Eyes (10–42) — 33 controls "CTRL_expressions_eyeBlinkL", "CTRL_expressions_eyeBlinkR", "CTRL_expressions_eyeLookUpL", "CTRL_expressions_eyeLookUpR", "CTRL_expressions_eyePupilWideL", "CTRL_expressions_eyePupilWideR", // ... 27 more eye controls // Eyelashes (43–50) — 8 controls "CTRL_expressions_eyelashesUpINL", "CTRL_expressions_eyelashesUpINR", "CTRL_expressions_eyelashesDownOUTL","CTRL_expressions_eyelashesDownOUTR", // ... 4 more eyelash controls // Jaw (51–64) — 14 controls "CTRL_expressions_jawOpen", // most important for lipsync "CTRL_expressions_jawLeft", "CTRL_expressions_jawRight", "CTRL_expressions_jawClenchL", "CTRL_expressions_jawClenchR", // ... 9 more jaw controls // Mouth (65–192) — 128 controls (detailed lipsync) "CTRL_expressions_mouthFunnelDL", "CTRL_expressions_mouthFunnelDR", "CTRL_expressions_mouthCornerUpL","CTRL_expressions_mouthCornerUpR", "CTRL_expressions_mouthLipsPressL","CTRL_expressions_mouthLipsPressR", "CTRL_expressions_mouthUpperLipRaiseL","CTRL_expressions_mouthUpperLipRaiseR", // ... 120 more mouth controls // Neck & Throat (193–206) — 14 controls "CTRL_expressions_neckStretchL", "CTRL_expressions_neckStretchR", "CTRL_expressions_neckSwallowPh1","CTRL_expressions_neckSwallowPh2", "CTRL_expressions_neckThroatInhale","CTRL_expressions_neckThroatExhale", // ... 8 more neck/throat controls // Nose (207–218) — 12 controls "CTRL_expressions_noseWrinkleL", "CTRL_expressions_noseWrinkleR", "CTRL_expressions_noseNostrilDilateL","CTRL_expressions_noseNostrilDilateR", // ... 8 more nose controls // Teeth (219–230) — 12 controls "CTRL_expressions_teethUpD", "CTRL_expressions_teethUpU", "CTRL_expressions_teethFwdD","CTRL_expressions_teethFwdU", // ... 8 more teeth controls // Tongue (231–250) — 20 controls "CTRL_expressions_tongueOut", "CTRL_expressions_tongueIn", "CTRL_expressions_tongueTipUp","CTRL_expressions_tongueTipDown", "CTRL_expressions_tongueLeft","CTRL_expressions_tongueRight", // ... 14 more tongue controls ] ``` ### MetaHuman 251 Blendshape array in JSON format ```json [ "CTRL_expressions_browDownL", "CTRL_expressions_browDownR", "CTRL_expressions_browLateralL", "CTRL_expressions_browLateralR", "CTRL_expressions_browRaiseInL", "CTRL_expressions_browRaiseInR", "CTRL_expressions_browRaiseOuterL", "CTRL_expressions_browRaiseOuterR", "CTRL_expressions_earUpL", "CTRL_expressions_earUpR", "CTRL_expressions_eyeBlinkL", "CTRL_expressions_eyeBlinkR", "CTRL_expressions_eyeCheekRaiseL", "CTRL_expressions_eyeCheekRaiseR", "CTRL_expressions_eyeFaceScrunchL", "CTRL_expressions_eyeFaceScrunchR", "CTRL_expressions_eyeLidPressL", "CTRL_expressions_eyeLidPressR", "CTRL_expressions_eyeLookDownL", "CTRL_expressions_eyeLookDownR", "CTRL_expressions_eyeLookLeftL", "CTRL_expressions_eyeLookLeftR", "CTRL_expressions_eyeLookRightL", "CTRL_expressions_eyeLookRightR", "CTRL_expressions_eyeLookUpL", "CTRL_expressions_eyeLookUpR", "CTRL_expressions_eyeLowerLidDownL", "CTRL_expressions_eyeLowerLidDownR", "CTRL_expressions_eyeLowerLidUpL", "CTRL_expressions_eyeLowerLidUpR", "CTRL_expressions_eyeParallelLookDirection", "CTRL_expressions_eyePupilNarrowL", "CTRL_expressions_eyePupilNarrowR", "CTRL_expressions_eyePupilWideL", "CTRL_expressions_eyePupilWideR", "CTRL_expressions_eyeRelaxL", "CTRL_expressions_eyeRelaxR", "CTRL_expressions_eyeSquintInnerL", "CTRL_expressions_eyeSquintInnerR", "CTRL_expressions_eyeUpperLidUpL", "CTRL_expressions_eyeUpperLidUpR", "CTRL_expressions_eyeWidenL", "CTRL_expressions_eyeWidenR", "CTRL_expressions_eyelashesDownINL", "CTRL_expressions_eyelashesDownINR", "CTRL_expressions_eyelashesDownOUTL", "CTRL_expressions_eyelashesDownOUTR", "CTRL_expressions_eyelashesUpINL", "CTRL_expressions_eyelashesUpINR", "CTRL_expressions_eyelashesUpOUTL", "CTRL_expressions_eyelashesUpOUTR", "CTRL_expressions_jawBack", "CTRL_expressions_jawChinCompressL", "CTRL_expressions_jawChinCompressR", "CTRL_expressions_jawChinRaiseDL", "CTRL_expressions_jawChinRaiseDR", "CTRL_expressions_jawChinRaiseUL", "CTRL_expressions_jawChinRaiseUR", "CTRL_expressions_jawClenchL", "CTRL_expressions_jawClenchR", "CTRL_expressions_jawFwd", "CTRL_expressions_jawLeft", "CTRL_expressions_jawOpen", "CTRL_expressions_jawOpenExtreme", "CTRL_expressions_jawRight", "CTRL_expressions_mouthCheekBlowL", "CTRL_expressions_mouthCheekBlowR", "CTRL_expressions_mouthCheekSuckL", "CTRL_expressions_mouthCheekSuckR", "CTRL_expressions_mouthCornerDepressL", "CTRL_expressions_mouthCornerDepressR", "CTRL_expressions_mouthCornerDownL", "CTRL_expressions_mouthCornerDownR", "CTRL_expressions_mouthCornerNarrowL", "CTRL_expressions_mouthCornerNarrowR", "CTRL_expressions_mouthCornerPullL", "CTRL_expressions_mouthCornerPullR", "CTRL_expressions_mouthCornerRounderDL", "CTRL_expressions_mouthCornerRounderDR", "CTRL_expressions_mouthCornerRounderUL", "CTRL_expressions_mouthCornerRounderUR", "CTRL_expressions_mouthCornerSharpenDL", "CTRL_expressions_mouthCornerSharpenDR", "CTRL_expressions_mouthCornerSharpenUL", "CTRL_expressions_mouthCornerSharpenUR", "CTRL_expressions_mouthCornerUpL", "CTRL_expressions_mouthCornerUpR", "CTRL_expressions_mouthCornerWideL", "CTRL_expressions_mouthCornerWideR", "CTRL_expressions_mouthDimpleL", "CTRL_expressions_mouthDimpleR", "CTRL_expressions_mouthDown", "CTRL_expressions_mouthFunnelDL", "CTRL_expressions_mouthFunnelDR", "CTRL_expressions_mouthFunnelUL", "CTRL_expressions_mouthFunnelUR", "CTRL_expressions_mouthLeft", "CTRL_expressions_mouthLipsBlowL", "CTRL_expressions_mouthLipsBlowR", "CTRL_expressions_mouthLipsPressL", "CTRL_expressions_mouthLipsPressR", "CTRL_expressions_mouthLipsPullDL", "CTRL_expressions_mouthLipsPullDR", "CTRL_expressions_mouthLipsPullUL", "CTRL_expressions_mouthLipsPullUR", "CTRL_expressions_mouthLipsPurseDL", "CTRL_expressions_mouthLipsPurseDR", "CTRL_expressions_mouthLipsPurseUL", "CTRL_expressions_mouthLipsPurseUR", "CTRL_expressions_mouthLipsPushDL", "CTRL_expressions_mouthLipsPushDR", "CTRL_expressions_mouthLipsPushUL", "CTRL_expressions_mouthLipsPushUR", "CTRL_expressions_mouthLipsStickyLPh1", "CTRL_expressions_mouthLipsStickyLPh2", "CTRL_expressions_mouthLipsStickyLPh3", "CTRL_expressions_mouthLipsStickyRPh1", "CTRL_expressions_mouthLipsStickyRPh2", "CTRL_expressions_mouthLipsStickyRPh3", "CTRL_expressions_mouthLipsThickDL", "CTRL_expressions_mouthLipsThickDR", "CTRL_expressions_mouthLipsThickInwardDL", "CTRL_expressions_mouthLipsThickInwardDR", "CTRL_expressions_mouthLipsThickInwardUL", "CTRL_expressions_mouthLipsThickInwardUR", "CTRL_expressions_mouthLipsThickUL", "CTRL_expressions_mouthLipsThickUR", "CTRL_expressions_mouthLipsThinDL", "CTRL_expressions_mouthLipsThinDR", "CTRL_expressions_mouthLipsThinInwardDL", "CTRL_expressions_mouthLipsThinInwardDR", "CTRL_expressions_mouthLipsThinInwardUL", "CTRL_expressions_mouthLipsThinInwardUR", "CTRL_expressions_mouthLipsThinUL", "CTRL_expressions_mouthLipsThinUR", "CTRL_expressions_mouthLipsTightenDL", "CTRL_expressions_mouthLipsTightenDR", "CTRL_expressions_mouthLipsTightenUL", "CTRL_expressions_mouthLipsTightenUR", "CTRL_expressions_mouthLipsTogetherDL", "CTRL_expressions_mouthLipsTogetherDR", "CTRL_expressions_mouthLipsTogetherUL", "CTRL_expressions_mouthLipsTogetherUR", "CTRL_expressions_mouthLipsTowardsDL", "CTRL_expressions_mouthLipsTowardsDR", "CTRL_expressions_mouthLipsTowardsUL", "CTRL_expressions_mouthLipsTowardsUR", "CTRL_expressions_mouthLowerLipBiteL", "CTRL_expressions_mouthLowerLipBiteR", "CTRL_expressions_mouthLowerLipDepressL", "CTRL_expressions_mouthLowerLipDepressR", "CTRL_expressions_mouthLowerLipRollInL", "CTRL_expressions_mouthLowerLipRollInR", "CTRL_expressions_mouthLowerLipRollOutL", "CTRL_expressions_mouthLowerLipRollOutR", "CTRL_expressions_mouthLowerLipShiftLeft", "CTRL_expressions_mouthLowerLipShiftRight", "CTRL_expressions_mouthLowerLipTowardsTeethL", "CTRL_expressions_mouthLowerLipTowardsTeethR", "CTRL_expressions_mouthPressDL", "CTRL_expressions_mouthPressDR", "CTRL_expressions_mouthPressUL", "CTRL_expressions_mouthPressUR", "CTRL_expressions_mouthRight", "CTRL_expressions_mouthSharpCornerPullL", "CTRL_expressions_mouthSharpCornerPullR", "CTRL_expressions_mouthStickyDC", "CTRL_expressions_mouthStickyDINL", "CTRL_expressions_mouthStickyDINR", "CTRL_expressions_mouthStickyDOUTL", "CTRL_expressions_mouthStickyDOUTR", "CTRL_expressions_mouthStickyUC", "CTRL_expressions_mouthStickyUINL", "CTRL_expressions_mouthStickyUINR", "CTRL_expressions_mouthStickyUOUTL", "CTRL_expressions_mouthStickyUOUTR", "CTRL_expressions_mouthStretchL", "CTRL_expressions_mouthStretchLipsCloseL", "CTRL_expressions_mouthStretchLipsCloseR", "CTRL_expressions_mouthStretchR", "CTRL_expressions_mouthUp", "CTRL_expressions_mouthUpperLipBiteL", "CTRL_expressions_mouthUpperLipBiteR", "CTRL_expressions_mouthUpperLipRaiseL", "CTRL_expressions_mouthUpperLipRaiseR", "CTRL_expressions_mouthUpperLipRollInL", "CTRL_expressions_mouthUpperLipRollInR", "CTRL_expressions_mouthUpperLipRollOutL", "CTRL_expressions_mouthUpperLipRollOutR", "CTRL_expressions_mouthUpperLipShiftLeft", "CTRL_expressions_mouthUpperLipShiftRight", "CTRL_expressions_mouthUpperLipTowardsTeethL", "CTRL_expressions_mouthUpperLipTowardsTeethR", "CTRL_expressions_neckDigastricDown", "CTRL_expressions_neckDigastricUp", "CTRL_expressions_neckMastoidContractL", "CTRL_expressions_neckMastoidContractR", "CTRL_expressions_neckStretchL", "CTRL_expressions_neckStretchR", "CTRL_expressions_neckSwallowPh1", "CTRL_expressions_neckSwallowPh2", "CTRL_expressions_neckSwallowPh3", "CTRL_expressions_neckSwallowPh4", "CTRL_expressions_neckThroatDown", "CTRL_expressions_neckThroatExhale", "CTRL_expressions_neckThroatInhale", "CTRL_expressions_neckThroatUp", "CTRL_expressions_noseNasolabialDeepenL", "CTRL_expressions_noseNasolabialDeepenR", "CTRL_expressions_noseNostrilCompressL", "CTRL_expressions_noseNostrilCompressR", "CTRL_expressions_noseNostrilDepressL", "CTRL_expressions_noseNostrilDepressR", "CTRL_expressions_noseNostrilDilateL", "CTRL_expressions_noseNostrilDilateR", "CTRL_expressions_noseWrinkleL", "CTRL_expressions_noseWrinkleR", "CTRL_expressions_noseWrinkleUpperL", "CTRL_expressions_noseWrinkleUpperR", "CTRL_expressions_teethBackD", "CTRL_expressions_teethBackU", "CTRL_expressions_teethDownD", "CTRL_expressions_teethDownU", "CTRL_expressions_teethFwdD", "CTRL_expressions_teethFwdU", "CTRL_expressions_teethLeftD", "CTRL_expressions_teethLeftU", "CTRL_expressions_teethRightD", "CTRL_expressions_teethRightU", "CTRL_expressions_teethUpD", "CTRL_expressions_teethUpU", "CTRL_expressions_tongueBendDown", "CTRL_expressions_tongueBendUp", "CTRL_expressions_tongueDown", "CTRL_expressions_tongueIn", "CTRL_expressions_tongueLeft", "CTRL_expressions_tongueNarrow", "CTRL_expressions_tongueOut", "CTRL_expressions_tonguePress", "CTRL_expressions_tongueRight", "CTRL_expressions_tongueRoll", "CTRL_expressions_tongueThick", "CTRL_expressions_tongueThin", "CTRL_expressions_tongueTipDown", "CTRL_expressions_tongueTipLeft", "CTRL_expressions_tongueTipRight", "CTRL_expressions_tongueTipUp", "CTRL_expressions_tongueTwistLeft", "CTRL_expressions_tongueTwistRight", "CTRL_expressions_tongueUp", "CTRL_expressions_tongueWide" ] ``` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a 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