OptionalhasMIndicates whether the geometry contains M coordinate values.
OptionalhasZIndicates whether the geometry contains Z coordinate values.
Represents an array of points. Each point is an array of numbers.
OptionalspatialThe spatial reference can be defined using a well-known ID (WKID) or well-known text (WKT).
A polygon contains an array of rings and a spatial reference. See https://developers.arcgis.com/web-map-specification/objects/polygon_geometry/ https://developers.arcgis.com/web-scene-specification/objects/polygon_geometry/.