Choropleth
Properties
Determines whether the colorscale is a default palette (autocolorscale: true) or the palette determined by colorscale. In case colorscale is unspecified or autocolorscale is true, the default palette will be chosen according to whether numbers in the color array are all positive, all negative or mixed.
Sets the key in GeoJSON features which is used as id to match the items included in the locations array. Only has an effect when geojson is set. Support nested property, for example "properties.name".
Sets optional GeoJSON data associated with this trace. If not given, the features on the base map are used. It can be set as a valid GeoJSON object or as a URL string. Note that we only accept GeoJSONs of type "FeatureCollection" or "Feature" with geometries of type "Polygon" or "MultiPolygon". TODO replace by typed wrapper
An url to geojson