OptionalattributesThe feature attributes. It is a JSON object that contains a dictionary of name-value pairs. The names are the feature field names. The values are the field values and they can be any of the standard JSON types - string, number and boolean. Note that date values are encoded as numbers. The number represents the number of milliseconds since epoch (January 1, 1970) in UTC.
OptionalgeometryThe feature geometry.
OptionalpopupA popupInfo object defining the content of popup window when you click a feature on the map. Applicable to features in a map notes feature layer only.
OptionalsymbolSymbol used for drawing the feature.
Contains information about an attribute field and feature geometry.
See https://developers.arcgis.com/web-map-specification/objects/feature/ https://developers.arcgis.com/web-scene-specification/objects/feature/.