json_schema: {
      "title": "color",
      "type": "array",
      "$schema": "http://json-schema.org/draft-04/schema",
      "description": "Color is represented as a three or four-element array. The four elements represent values for red, green, blue, and alpha in that order. Values range from 0 through 255. If color is undefined for a symbol, the color value is null.",
      "items": {
          "type": "integer",
          "minimum": 0,
          "maximum": 255
      },
      "minItems": 3,
      "maxItems": 4,
      "additionalProperties": false,
      "esriDocumentation": {
          "examples": [
              {
                  "title": "color",
                  "code": {
                      "color": [
                          13,
                          38,
                          68,
                          255
                      ]
                  }
              }
          ]
      }
  }