The name of a local basemap file which can be used instead of downloading a basemap when taking this map offline. Supported basemap formats are:

  • .tpk

  • .tpkx

  • .vtpk

The webmap author sets this property to denote an appropriate basemap file. Client code is responsible for ensuring that the basemap has been correctly side-loaded to the device.

This property can be used to inform settings for:

  • DownloadPreplannedOfflineMapParameters.referenceBasemapFilename

  • GenerateOfflineMapParameters.referenceBasemapFilename