Use GenerateOfflineMap.GetExportRasterTileCacheScales and GenerateOfflineMap.GetExportVectorTileCacheScales to get a list of available scales for tile cache content in the map. The selected scale specified in MaximumUserDefinedScale is compared to the LODs of the tile cache content in the map to determine the specific LOD for a given tile cache to export. The LOD, for a given tile cache, containing the specified scale is the LOD that will be used.