A basemap layer is a layer that provides geographic context to the map. A web map always contains a basemap. The basemap has a title and is the combination of each baseMapLayer. It is required that a baseMap be saved within the web map.


Property Type Notes
baseMapLayers ILayer[]

An array of baseMapLayer objects defining the basemaps used in the web map.

title string

Required string title for the basemap that can be used in a table of contents. It takes the title of the first baseMapLayer in the array.

Interface defined in packages/arcgis-rest-common-types/src/webmap.ts:550