Copyright information for this layer
The full extent to use for this layer
A unique identifying string for the layer.
Determines whether the basemap layer appears on top of all operational layers (true) or beneath all operational layers (false). Typically, this value is set to true on reference layers such as road networks, labels, or boundaries. The default value is false.
Not in official spec, but present in some newer web maps.
An array of Layer objects, allowing overrides on pop-up content and drawing behavior for the individual layers of a map service. Used with map services.
The degree of transparency applied to the layer on the client side, where 0 is full transparency and 1 is no transparency.
Used for bing maps baselayers
Vector Tiled layers have a style url, not a url
Web tiled layers can have a list of subdomains used to make requests
Not defined in the official spec, but used by AGOL for web tiled layers.
A user-friendly title for the layer that can be used in a table of contents. If this is not included, then a title is derived from the service.
A special string identifier used when the basemap is from Bing Maps or OpenStreetMap. When this property is included, the url property is not required. One of the BaseMapType constants.
The URL to the layer. For well-known basemap types such as Bing Aerial, the URL should be empty.
Determines whether the layer is initially visible in the web map.
A layer within a basemap.
Part of the Esri web map specification. See http://resources.arcgis.com/en/help/arcgis-web-map-json/.