# DeviceMapAccessController Source: https://www.nianticspatial.com/docs/api/unity/NianticSpatial.NSDK.AR.Mapping.DeviceMapAccessController/ DeviceMapAccessController Class to access primitive device map data and configs. --- ## Declaration public class DeviceMapAccessController --- ## Methods | Name | Type | Summary | | --- | --- | --- | | static Acquire | DeviceMapAccessController | Gets or creates the shared map access object. | | AddMap | bool | Add serialized map data to the map storage. | | ClearDeviceMaps | bool | Clear map storage. | | CreateRootAnchor | bool | Creates an anchor on the existing map located at the origin of the current AR session, if possible. | | ExtractMapMetadataFromAnchor | bool | Extract the metadata from a map relative to an anchor on the map. | | GetMapData | bool | Get the current map data. | | GetMapUpdate | bool | Get the latest map update data, which consists of the new nodes and edges that have been added since the last call to this function. | | MergeMapUpdate | bool | Merge a map update into an existing map. | | Release | void | - | ---