The StyleSymbolReference is used to reference a symbol from a portal styleItem.
See https://developers.arcgis.com/web-scene-specification/objects/styleSymbolReference/.
Optional
Identifies a symbol in the style by name.
A registered web style name.
URL that points to the web style definition.
The StyleSymbolReference is used to reference a symbol from a portal styleItem.
See https://developers.arcgis.com/web-scene-specification/objects/styleSymbolReference/.