{
  "title": "elevationLayer",
  "type": "object",
  "$schema": "http://json-schema.org/draft-04/schema",
  "description": "ElevationLayer is a tile layer used for rendering elevation in web scenes.",
  "properties": {
    "id": {
      "type": "string",
      "description": "A unique identifying string for the layer"
    },
    "itemId": {
      "type": "string",
      "description": "Optional string containing the item ID of the service if it's registered on ArcGIS Online or your organization's portal."
    },
    "layerType": {
      "type": "string",
      "description": "String indicating the layer type",
      "enum": [
        "ArcGISTiledElevationServiceLayer"
      ]
    },
    "listMode": {
      "type": "string",
      "description": "To show or hide the elevation layer in the layer list",
      "enum": [
        "hide",
        "show"
      ]
    },
    "path": {
      "type": "string",
      "description": "For offline data, a path to a tile package containing elevation data. A URI format is used, starting with `file:` followed by a file system path with an extension of `.tpk` or `.tpkx`. A relative path must be from the file which defines the layer. For example `file:../p20/portland.tpk`.",
      "pattern": "^file:.+\\.tpkx?$"
    },
    "title": {
      "type": "string",
      "description": "A user-friendly string title for the layer that can be used in a table of contents. If this is not included, a title is derived from the service."
    },
    "url": {
      "type": "string",
      "description": "The URL to the layer.If the layer is not from a web service but rather a feature collection, then the url property is omitted",
      "format": "uri"
    },
    "visibility": {
      "type": "boolean",
      "description": "Boolean property determining whether the layer is initially visible in the web scene.",
      "default": true
    }
  },
  "anyOf": [
    {
      "required": [
        "id",
        "layerType",
        "title",
        "url"
      ]
    },
    {
      "required": [
        "id",
        "layerType",
        "path",
        "title"
      ]
    }
  ],
  "additionalProperties": false,
  "esriDocumentation": {
    "examples": [
      {
        "title": "elevationLayer",
        "description": "Live sample web scene showing [elevationLayers](https://www.arcgis.com/home/webscene/viewer.html?webscene=a06aa4a2e4264b789686e66a75d863ca)",
        "schema": "baseMap_schema.json",
        "code": {
          "baseMap": {
            "title": "elevation-only basemap",
            "baseMapLayers": [],
            "elevationLayers": [
              {
                "id": "globalElevation",
                "title": "Terrain3D",
                "url": "http://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer",
                "visibility": true,
                "layerType": "ArcGISTiledElevationServiceLayer"
              }
            ]
          }
        }
      }
    ]
  }
}