{
  "title": "LabelSymbol3D",
  "type": "object",
  "$schema": "http://json-schema.org/draft-04/schema",
  "description": "LabelSymbol3D is used to render labels for features from a FeatureLayer in a 3D SceneView.",
  "properties": {
    "callout": {
      "$ref": "callout_schema.json"
    },
    "symbolLayers": {
      "type": "array",
      "description": "A Collection of Symbol3DLayer objects used to visualize the graphic or feature.",
      "items": {
        "oneOf": [
          {
            "$ref": "textSymbol3DLayer_schema.json"
          }
        ]
      }
    },
    "type": {
      "type": "string",
      "description": "Specifies the type of symbol used.",
      "enum": [
        "LabelSymbol3D"
      ]
    },
    "verticalOffset": {
      "$ref": "verticalOffset_schema.json"
    }
  },
  "required": [
    "symbolLayers",
    "type"
  ],
  "additionalProperties": false,
  "esriDocumentation": {
    "examples": [
      {
        "title": "Label Symbol 3D",
        "code": {
          "symbol": {
            "type": "LabelSymbol3D",
            "symbolLayers": [
              {
                "size": 12,
                "type": "Text",
                "material": {
                  "color": [
                    255,
                    255,
                    0
                  ]
                }
              }
            ]
          }
        }
      },
      {
        "title": "Label Symbol 3D with verticalOffset and leader line callout",
        "code": {
          "symbol": {
            "type": "LabelSymbol3D",
            "symbolLayers": [
              {
                "size": 12,
                "type": "Text",
                "material": {
                  "color": [
                    255,
                    255,
                    0
                  ]
                }
              }
            ],
            "callout": {
              "type": "line",
              "color": [
                255,
                255,
                255
              ],
              "size": 0.75,
              "border": {
                "color": [
                  50,
                  50,
                  50
                ]
              }
            },
            "verticalOffset": {
              "screenLength": 100,
              "maxWorldLength": 600,
              "minWorldLength": 10
            }
          }
        }
      }
    ]
  }
}