json_schema: {
      "title": "styleOrigin",
      "type": "object",
      "$schema": "http://json-schema.org/draft-04/schema",
      "description": "The origin of the style from which the symbol was originally referenced. A reference to the style origin can be either by styleName or by styleUrl (but not both). It may be used to understand where a symbol was originally sourced from, but does not affect actual appearance or rendering of the symbol.",
      "properties": {
          "name": {
              "type": "string",
              "description": "Identifies a symbol in the style by name."
          },
          "styleName": {
              "type": "string",
              "description": "A registered web style name, such as `EsriThematicShapesStyle`"
          },
          "styleUrl": {
              "description": "URL to a style definition.",
              "oneOf": [
                  {
                      "type": "string",
                      "format": "uri",
                      "description": "An absolute URL"
                  },
                  {
                      "type": "string",
                      "description": "A relative path starting with ./",
                      "pattern": "^\\./.+$"
                  }
              ]
          }
      },
      "oneOf": [
          {
              "required": [
                  "name",
                  "styleName"
              ]
          },
          {
              "required": [
                  "name",
                  "styleUrl"
              ]
          }
      ],
      "additionalProperties": false,
      "esriDocumentation": {
          "examples": [
              {
                  "title": "styleOrigin",
                  "schema": "pointSymbol3D_schema.json",
                  "code": {
                      "symbol": {
                          "styleOrigin": {
                              "styleName": "EsriThematicTreesStyle",
                              "name": "Frangula"
                          },
                          "type": "PointSymbol3D",
                          "symbolLayers": [
                              {
                                  "type": "Object",
                                  "resource": {
                                      "href": "http://static.arcgis.com/arcgis/styleItems/ThematicTrees/web/resource/FrangulaAlnus.json"
                                  },
                                  "height": 100,
                                  "material": {
                                      "color": [
                                          255,
                                          0,
                                          0
                                      ]
                                  }
                              }
                          ]
                      }
                  }
              }
          ]
      }
  }