{
  "title": "Expression",
  "type": "object",
  "description": "Definition of expression by weighted animation",
  "allOf": [ { "$ref": "glTFProperty.schema.json" } ],
  "properties": {
    "morphTargetBinds": {
      "type": "array",
      "description": "Specify a morph target",
      "items": {
        "$ref": "VRMC_vrm.expressions.expression.morphTargetBind.schema.json"
      },
      "minItems": 1
    },
    "materialColorBinds": {
      "type": "array",
      "description": "Material color animation references",
      "items": {
        "$ref": "VRMC_vrm.expressions.expression.materialColorBind.schema.json"
      },
      "minItems": 1
    },
    "textureTransformBinds": {
      "type": "array",
      "description": "Texture transform animation references",
      "items": {
        "$ref": "VRMC_vrm.expressions.expression.textureTransformBind.schema.json"
      },
      "minItems": 1
    },
    "isBinary": {
      "type": "boolean",
      "default": false,
      "description": "A value greater than 0.5 is 1.0, otherwise 0.0"
    },
    "overrideBlink": {
      "title": "ExpressionOverrideType",
      "type": "string",
      "enum": [
        "none",
        "block",
        "blend"
      ],
      "default": "none",
      "description": "Override values of Blink expressions when this Expression is enabled"
    },
    "overrideLookAt": {
      "title": "ExpressionOverrideType",
      "type": "string",
      "enum": [
        "none",
        "block",
        "blend"
      ],
      "default": "none",
      "description": "Override values of LookAt expressions when this Expression is enabled"
    },
    "overrideMouth": {
      "title": "ExpressionOverrideType",
      "type": "string",
      "enum": [
        "none",
        "block",
        "blend"
      ],
      "default": "none",
      "description": "Override values of Mouth expressions when this Expression is enabled"
    },
    "extensions": { },
    "extras": { }
  }
}
