diff --git a/VmcMessages/VmcExtBlendVal.cs b/VmcMessages/VmcExtBlendVal.cs
index c07dddb..aeba14d 100644
--- a/VmcMessages/VmcExtBlendVal.cs
+++ b/VmcMessages/VmcExtBlendVal.cs
@@ -42,57 +42,94 @@ namespace godotVmcSharp
                 return;
             }
             var blendShape = (string)m.Data[0].Value;
-            if (blendShape == "Joy" || blendShape == "Angry" || blendShape == "Sorrow" || blendShape == "Fun" ||
-            blendShape == "A" || blendShape == "I" || blendShape == "U" || blendShape == "E" || blendShape == "O" ||
-            blendShape == "Blink_L" || blendShape == "Blink_R")
+            if (isVrm0BlendShape(blendShape))
             {
                 name = blendShape;
                 value = (float)m.Data[1].Value;
                 return;
-            } else if (blendShape == "happy" || blendShape == "angry" || blendShape == "sad" || blendShape == "relaxed" ||
-            blendShape == "aa" || blendShape == "ih" || blendShape == "ou" || blendShape == "ee" || blendShape == "oh" ||
-            blendShape == "blinkLeft" || blendShape == "blinkRight")
-            {
-                name = blendShape;
-                value = (float)m.Data[1].Value;
-                return;
-            } else if (blendShape == "browInnerUp" ||
-            blendShape == "browDownLeft" || blendShape == "browDownRight" ||
-            blendShape == "browOuterUpLeft" || blendShape == "browOuterUpRight" ||
-            blendShape == "eyeLookUpLeft" || blendShape == "eyeLookUpRight" ||
-            blendShape == "eyeLookDownLeft" || blendShape == "eyeLookDownRight" ||
-            blendShape == "eyeLookInLeft" || blendShape == "eyeLookInRight" ||
-            blendShape == "eyeLookOutLeft" || blendShape == "eyeLookOutRight" ||
-            blendShape == "eyeBlinkLeft" || blendShape == "eyeBlinkRight" ||
-            blendShape == "eyeSquintLeft" || blendShape == "eyeSquintRight" ||
-            blendShape == "eyeWideLeft" || blendShape == "eyeWideRight" ||
-            blendShape == "cheekPuff" ||
-            blendShape == "cheekSquintLeft" || blendShape == "cheekSquintRight" ||
-            blendShape == "noseSneerLeft" || blendShape == "noseSneerRight" ||
-            blendShape == "jawOpen" || blendShape == "jawForward" ||
-            blendShape == "jawLeft" || blendShape == "jawRight" ||
-            blendShape == "mouthFunnel" || blendShape == "mouthPucker" ||
-            blendShape == "mouthLeft" || blendShape == "mouthRight" ||
-            blendShape == "mouthRollUpper" || blendShape == "mouthRollLower" ||
-            blendShape == "mouthShrugUpper" || blendShape == "mouthShrugLower" ||
-            blendShape == "mouthClose" ||
-            blendShape == "mouthSmileLeft" || blendShape == "mouthSmileRight" ||
-            blendShape == "mouthFrownLeft" || blendShape == "mouthFrownRight" ||
-            blendShape == "mouthDimpleLeft" || blendShape == "mouthDimpleRight" ||
-            blendShape == "mouthUpperUpLeft" || blendShape == "mouthUpperUpRight" ||
-            blendShape == "mouthLowerDownLeft" || blendShape == "mouthLowerDownRight" ||
-            blendShape == "mouthPressLeft" || blendShape == "mouthPressRight" ||
-            blendShape == "mouthStretchLeft" || blendShape == "mouthStretchRight" ||
-            blendShape == "tongueOut")
-            {
-                name = blendShape;
-                value = (float)m.Data[1].Value;
-                return;
-            } else
-            {
-                GD.Print($"Invalid argument for /VMC/Ext/Blend/Val. BlendShape \"{blendShape}\" not in list.");
-                return;
             }
+            if (isVrm1Expression(blendShape))
+            {
+                name = blendShape;
+                value = (float)m.Data[1].Value;
+                return;
+            }
+            if (isArkitBlendShape(blendShape))
+            {
+                name = blendShape;
+                value = (float)m.Data[1].Value;
+                return;
+            }
+            GD.Print($"Invalid argument for {addr}. BlendShape \"{blendShape}\" not in list.");
+        }
+
+        public VmcExtBlendVal(string _name, float _value) : base(new godotOscSharp.Address("VMC/Ext/Blend/Val"))
+        {
+            if (isVrm0BlendShape(_name))
+            {
+                name = _name;
+                value = _value;
+                return;
+            }
+            if (isVrm1Expression(_name))
+            {
+                name = _name;
+                value = _value;
+                return;
+            }
+            if (isArkitBlendShape(_name))
+            {
+                name = _name;
+                value = _value;
+                return;
+            }
+            GD.Print($"Invalid argument for {addr}. BlendShape \"{_name}\" not in list.");
+        }
+
+        private bool isVrm0BlendShape(string name)
+        {
+            return name == "Joy" || name == "Angry" || name == "Sorrow" || name == "Fun" ||
+               name == "A" || name == "I" || name == "U" || name == "E" || name == "O" ||
+               name == "Blink_L" || name == "Blink_R";
+        }
+
+        private bool isVrm1Expression(string name)
+        {
+            return name == "happy" || name == "angry" || name == "sad" || name == "relaxed" ||
+               name == "aa" || name == "ih" || name == "ou" || name == "ee" || name == "oh" ||
+               name == "blinkLeft" || name == "blinkRight";
+        }
+
+        private bool isArkitBlendShape(string name)
+        {
+            return name == "browInnerUp" ||
+                name == "browDownLeft" || name == "browDownRight" ||
+                name == "browOuterUpLeft" || name == "browOuterUpRight" ||
+                name == "eyeLookUpLeft" || name == "eyeLookUpRight" ||
+                name == "eyeLookDownLeft" || name == "eyeLookDownRight" ||
+                name == "eyeLookInLeft" || name == "eyeLookInRight" ||
+                name == "eyeLookOutLeft" || name == "eyeLookOutRight" ||
+                name == "eyeBlinkLeft" || name == "eyeBlinkRight" ||
+                name == "eyeSquintLeft" || name == "eyeSquintRight" ||
+                name == "eyeWideLeft" || name == "eyeWideRight" ||
+                name == "cheekPuff" ||
+                name == "cheekSquintLeft" || name == "cheekSquintRight" ||
+                name == "noseSneerLeft" || name == "noseSneerRight" ||
+                name == "jawOpen" || name == "jawForward" ||
+                name == "jawLeft" || name == "jawRight" ||
+                name == "mouthFunnel" || name == "mouthPucker" ||
+                name == "mouthLeft" || name == "mouthRight" ||
+                name == "mouthRollUpper" || name == "mouthRollLower" ||
+                name == "mouthShrugUpper" || name == "mouthShrugLower" ||
+                name == "mouthClose" ||
+                name == "mouthSmileLeft" || name == "mouthSmileRight" ||
+                name == "mouthFrownLeft" || name == "mouthFrownRight" ||
+                name == "mouthDimpleLeft" || name == "mouthDimpleRight" ||
+                name == "mouthUpperUpLeft" || name == "mouthUpperUpRight" ||
+                name == "mouthLowerDownLeft" || name == "mouthLowerDownRight" ||
+                name == "mouthPressLeft" || name == "mouthPressRight" ||
+                name == "mouthStretchLeft" || name == "mouthStretchRight" ||
+                name == "tongueOut";
         }
     }
 }
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