# AssetDatabase > An Interface for accessing assets and performing operations on assets. ## Definition * **Type:** Class * **Namespace:** [UnityEditor](/engine/6000.7/script-reference/unityeditor.md) * **Assembly:** UnityEditor.CoreModule ```csharp public sealed class AssetDatabase ``` ## Static Fields | Value | Description | | --------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------- | | [onImportPackageItemsCompleted](/engine/6000.7/script-reference/unityeditor/assetdatabase/onimportpackageitemscompleted.md) | Callback raised whenever a package import successfully completes that lists the items selected to be imported. | ## Static Properties | Property | Description | | ------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------- | | [ActiveRefreshImportMode](/engine/6000.7/script-reference/unityeditor/assetdatabase/activerefreshimportmode.md) | The refresh import mode that the Asset Database uses to import assets. | | [DesiredWorkerCount](/engine/6000.7/script-reference/unityeditor/assetdatabase/desiredworkercount.md) | The number of import worker processes the asset pipeline aims to maintain during an Asset Database refresh. | | [GlobalArtifactDependencyVersion](/engine/6000.7/script-reference/unityeditor/assetdatabase/globalartifactdependencyversion.md) | Changes during Refresh if anything has changed that can invalidate any artifact. | | [GlobalArtifactProcessedVersion](/engine/6000.7/script-reference/unityeditor/assetdatabase/globalartifactprocessedversion.md) | Changes whenever a new artifact is added to the artifact database. | ## Static Methods | Method | Description | | ----------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [AddObjectToAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/addobjecttoasset.md) | Adds `objectToAdd` to an existing asset at `path`. | | [AllowAutoRefresh](/engine/6000.7/script-reference/unityeditor/assetdatabase/allowautorefresh.md) | Decrements an internal counter which Unity uses to determine whether to allow automatic AssetDatabase refreshing behavior. | | [AssetPathExists](/engine/6000.7/script-reference/unityeditor/assetdatabase/assetpathexists.md) | Check whether an asset exists at the given path in the database. | | [AssetPathToGUID](/engine/6000.7/script-reference/unityeditor/assetdatabase/assetpathtoguid.md) | Get the GUID for the asset at `path`. | | [CanConnectToCacheServer](/engine/6000.7/script-reference/unityeditor/assetdatabase/canconnecttocacheserver.md) | Checks the availability of the Cache Server. | | [CanOpenAssetInEditor](/engine/6000.7/script-reference/unityeditor/assetdatabase/canopenassetineditor.md) | Checks if Unity can open an asset in the Editor. | | [CanOpenForEdit](/engine/6000.7/script-reference/unityeditor/assetdatabase/canopenforedit.md) | Query whether an Asset file can be opened for editing in version control and is not exclusively locked by another user or otherwise unavailable. | | [ClearImporterOverride](/engine/6000.7/script-reference/unityeditor/assetdatabase/clearimporteroverride.md) | Clears the importer override for the asset. | | [ClearLabels](/engine/6000.7/script-reference/unityeditor/assetdatabase/clearlabels.md) | Removes all labels attached to an asset. | | [CloseCacheServerConnection](/engine/6000.7/script-reference/unityeditor/assetdatabase/closecacheserverconnection.md) | Closes an active cache server connection. If no connection is active, then it does nothing. | | [Contains](/engine/6000.7/script-reference/unityeditor/assetdatabase/contains.md) | Checks whether a given object is an asset. | | [CopyAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/copyasset.md) | Duplicates the asset at `path` and stores it at `newPath`. | | [CopyAssets](/engine/6000.7/script-reference/unityeditor/assetdatabase/copyassets.md) | Duplicates assets in `paths` and stores them in `newPaths`. | | [CreateAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/createasset.md) | Creates a new asset in a native Unity format. | | [CreateFolder](/engine/6000.7/script-reference/unityeditor/assetdatabase/createfolder.md) | Creates a new folder, in the specified parent folder. | | [DeleteAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/deleteasset.md) | Deletes the specified asset or folder. | | [DeleteAssets](/engine/6000.7/script-reference/unityeditor/assetdatabase/deleteassets.md) | Lets you delete multiple assets or folders at once with performance benefits under version control. | | [DisallowAutoRefresh](/engine/6000.7/script-reference/unityeditor/assetdatabase/disallowautorefresh.md) | Increments an internal counter which Unity uses to determine whether to allow automatic AssetDatabase refreshing behavior. | | [EntityIdsToGUIDs](/engine/6000.7/script-reference/unityeditor/assetdatabase/entityidstoguids.md) | Sets a GUID for every valid EntityId that is an asset. | | [ExtractAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/extractasset.md) | Creates an external Asset from an object (such as a Material) by extracting it from within an imported asset (such as an FBX file). | | [FindAssetGUIDs](/engine/6000.7/script-reference/unityeditor/assetdatabase/findassetguids.md) | Searches the asset database with a filter string and returns an array of GUIDs. | | [FindAssets](/engine/6000.7/script-reference/unityeditor/assetdatabase/findassets.md) | Search the asset database using the search filter string. | | [ForceReserializeAssets](/engine/6000.7/script-reference/unityeditor/assetdatabase/forcereserializeassets.md) | Forcibly load and re-serialize the given assets, flushing any outstanding data changes to disk. | | [ForceToDesiredWorkerCount](/engine/6000.7/script-reference/unityeditor/assetdatabase/forcetodesiredworkercount.md) | Forces the Editor to use the desired amount of worker processes by either spawning new worker processes or shutting down idle worker processes. | | [GenerateUniqueAssetPath](/engine/6000.7/script-reference/unityeditor/assetdatabase/generateuniqueassetpath.md) | Creates a new unique path for an asset. | | [GetAllAssetBundleNames](/engine/6000.7/script-reference/unityeditor/assetdatabase/getallassetbundlenames.md) | Obtain all the AssetBundle names registered in the Asset Database. | | [GetAssetBundleDependencies](/engine/6000.7/script-reference/unityeditor/assetdatabase/getassetbundledependencies.md) | Given an **assetBundleName**, returns the list of AssetBundles that it depends on. | | [GetAssetDependencyHash](/engine/6000.7/script-reference/unityeditor/assetdatabase/getassetdependencyhash.md) | Returns the hash of all the dependencies of an asset. | | [GetAssetOrScenePath](/engine/6000.7/script-reference/unityeditor/assetdatabase/getassetorscenepath.md) | Returns the path name relative to the project folder where the asset or scene is stored. | | [GetAssetPath](/engine/6000.7/script-reference/unityeditor/assetdatabase/getassetpath.md) | Returns the path name relative to the project folder where the asset is stored. | | [GetAssetPathFromTextMetaFilePath](/engine/6000.7/script-reference/unityeditor/assetdatabase/getassetpathfromtextmetafilepath.md) | Gets the path to the asset file associated with a text .meta file. | | [GetAssetPathsFromAssetBundle](/engine/6000.7/script-reference/unityeditor/assetdatabase/getassetpathsfromassetbundle.md) | Returns an array containing the paths of all assets marked with the specified AssetBundle name. | | [GetAssetPathsFromAssetBundleAndAssetName](/engine/6000.7/script-reference/unityeditor/assetdatabase/getassetpathsfromassetbundleandassetname.md) | Get the Asset paths for all Assets tagged with assetBundleName and named assetName. | | [GetAvailableImporters](/engine/6000.7/script-reference/unityeditor/assetdatabase/getavailableimporters.md) | Gets the importer types associated with a given Asset path. | | [GetCachedIcon](/engine/6000.7/script-reference/unityeditor/assetdatabase/getcachedicon.md) | Retrieves the cached icon for the asset at the given path, without loading the asset. This is the icon shown in the Project window list view. | | [GetCacheServerAddress](/engine/6000.7/script-reference/unityeditor/assetdatabase/getcacheserveraddress.md) | Gets the IP address of the Cache Server in Editor Settings. | | [GetCacheServerEnableDownload](/engine/6000.7/script-reference/unityeditor/assetdatabase/getcacheserverenabledownload.md) | Gets the Cache Server Download option from Editor Settings. | | [GetCacheServerEnableUpload](/engine/6000.7/script-reference/unityeditor/assetdatabase/getcacheserverenableupload.md) | Gets the Cache Server Upload option from Editor Settings. | | [GetCacheServerNamespacePrefix](/engine/6000.7/script-reference/unityeditor/assetdatabase/getcacheservernamespaceprefix.md) | Gets the Cache Server Namespace prefix set in Editor Settings. | | [GetCacheServerPort](/engine/6000.7/script-reference/unityeditor/assetdatabase/getcacheserverport.md) | Gets the Port number of the Cache Server in Editor Settings. | | [GetCurrentCacheServerIp](/engine/6000.7/script-reference/unityeditor/assetdatabase/getcurrentcacheserverip.md) | Gets the IP address of the Cache Server currently in use by the Editor. | | [GetDefaultImporter](/engine/6000.7/script-reference/unityeditor/assetdatabase/getdefaultimporter.md) | Returns the Default Importer associated with the asset located at the supplied path. When no Importer override is set, then the default importer is used. Additional Resources: [AssetDatabase.GetImporterOverride](/engine/6000.7/script-reference/unityeditor/assetdatabase/getimporteroverride.md), [AssetDatabase.ClearImporterOverride](/engine/6000.7/script-reference/unityeditor/assetdatabase/clearimporteroverride.md). | | [GetDependencies](/engine/6000.7/script-reference/unityeditor/assetdatabase/getdependencies.md) | Returns an array of all the assets that are dependencies of the asset at the specified pathName. | | [GetImplicitAssetBundleName](/engine/6000.7/script-reference/unityeditor/assetdatabase/getimplicitassetbundlename.md) | Returns the name of the AssetBundle that a given asset belongs to. | | [GetImplicitAssetBundleVariantName](/engine/6000.7/script-reference/unityeditor/assetdatabase/getimplicitassetbundlevariantname.md) | Returns the name of the AssetBundle Variant that a given asset belongs to. | | [GetImporterOverride](/engine/6000.7/script-reference/unityeditor/assetdatabase/getimporteroverride.md) | Returns the type of the override importer. | | [GetImporterType](/engine/6000.7/script-reference/unityeditor/assetdatabase/getimportertype.md) | Returns the type of the importer associated with an asset without loading the asset. | | [GetImporterTypes](/engine/6000.7/script-reference/unityeditor/assetdatabase/getimportertypes.md) | Returns the types of importers associated with the specified array of assets, without loading those assets. | | [GetLabels](/engine/6000.7/script-reference/unityeditor/assetdatabase/getlabels.md) | Obtains all labels of a given asset. | | [GetMainAssetTypeAtPath](/engine/6000.7/script-reference/unityeditor/assetdatabase/getmainassettypeatpath.md) | Obtains the type of the main asset object. | | [GetMainAssetTypeFromGUID](/engine/6000.7/script-reference/unityeditor/assetdatabase/getmainassettypefromguid.md) | Obtains the type of the main object of a given asset. | | [GetScriptableObjectsWithMissingScriptCount](/engine/6000.7/script-reference/unityeditor/assetdatabase/getscriptableobjectswithmissingscriptcount.md) | Checks how many unloadable ScriptableObject instances are present in the specified asset. | | [GetSubFolders](/engine/6000.7/script-reference/unityeditor/assetdatabase/getsubfolders.md) | Obtains the subdirectories of a given directory in the Assets folder. | | [GetTextMetaFilePathFromAssetPath](/engine/6000.7/script-reference/unityeditor/assetdatabase/gettextmetafilepathfromassetpath.md) | Gets the path to the text .meta file associated with an asset. | | [GetTypeFromPathAndFileID](/engine/6000.7/script-reference/unityeditor/assetdatabase/gettypefrompathandfileid.md) | Gets an object's type from an Asset path and a local file identifier. | | [GetUnusedAssetBundleNames](/engine/6000.7/script-reference/unityeditor/assetdatabase/getunusedassetbundlenames.md) | Obtains any unused AssetBundle names in the Asset Database. | | [GUIDFromAssetPath](/engine/6000.7/script-reference/unityeditor/assetdatabase/guidfromassetpath.md) | Get the GUID for the asset at `path`. | | [GUIDToAssetPath](/engine/6000.7/script-reference/unityeditor/assetdatabase/guidtoassetpath.md) | Gets the corresponding asset path for the supplied GUID, or an empty string if the GUID can't be found. | | [ImportAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/importasset.md) | Import asset at path. | | [IsAssetImportWorkerProcess](/engine/6000.7/script-reference/unityeditor/assetdatabase/isassetimportworkerprocess.md) | Determines whether the current process is an Asset Import Worker process. | | [IsCacheServerEnabled](/engine/6000.7/script-reference/unityeditor/assetdatabase/iscacheserverenabled.md) | Checks whether the Cache Server is enabled in Project Settings. | | [IsCacheServerImportResultCachingEnabled](/engine/6000.7/script-reference/unityeditor/assetdatabase/iscacheserverimportresultcachingenabled.md) | Checks whether the Cache Server is configured to enable import result caching. Import result caching is disabled by default for new projects in Unity 6.5. | | [IsConnectedToCacheServer](/engine/6000.7/script-reference/unityeditor/assetdatabase/isconnectedtocacheserver.md) | Checks connection status of the Cache Server. | | [IsDirectoryMonitoringEnabled](/engine/6000.7/script-reference/unityeditor/assetdatabase/isdirectorymonitoringenabled.md) | Reports whether Directory Monitoring is enabled. | | [IsForeignAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/isforeignasset.md) | Determines whether a given asset is an external asset, also known as a foreign asset. | | [IsMainAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/ismainasset.md) | Checks whether the asset is a main asset in the Project window. | | [IsMainAssetAtPathLoaded](/engine/6000.7/script-reference/unityeditor/assetdatabase/ismainassetatpathloaded.md) | Checks whether the main asset object at `assetPath` is loaded in memory. | | [IsMetaFileOpenForEdit](/engine/6000.7/script-reference/unityeditor/assetdatabase/ismetafileopenforedit.md) | Query whether an asset's metadata (.meta) file is open for edit in version control. | | [IsNativeAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/isnativeasset.md) | Determines whether the asset is a native asset. | | [IsOpenForEdit](/engine/6000.7/script-reference/unityeditor/assetdatabase/isopenforedit.md) | Query whether an Asset file is open for editing in version control. | | [IsSubAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/issubasset.md) | Checks whether the asset is part of another asset. | | [IsValidFolder](/engine/6000.7/script-reference/unityeditor/assetdatabase/isvalidfolder.md) | Given a path to a folder, returns true if it exists, false otherwise. | | [LoadAllAssetRepresentationsAtPath](/engine/6000.7/script-reference/unityeditor/assetdatabase/loadallassetrepresentationsatpath.md) | Obtains all sub-assets at `assetPath`. | | [LoadAllAssetsAtPath](/engine/6000.7/script-reference/unityeditor/assetdatabase/loadallassetsatpath.md) | Obtains an array of all assets at `assetPath`. | | [LoadAssetAtPath](/engine/6000.7/script-reference/unityeditor/assetdatabase/loadassetatpath.md) | Retrieves the first asset object of type `type` at given path `assetPath`. | | [LoadAssetByGUID](/engine/6000.7/script-reference/unityeditor/assetdatabase/loadassetbyguid.md) | Loads an asset object of type `type` by given GUID `assetGUID`. | | [LoadMainAssetAtPath](/engine/6000.7/script-reference/unityeditor/assetdatabase/loadmainassetatpath.md) | Obtains the main asset object at `assetPath`. | | [LoadObjectAsync](/engine/6000.7/script-reference/unityeditor/assetdatabase/loadobjectasync.md) | Loads a specific Object and its dependencies from an Asset file asynchronously. | | [MakeEditable](/engine/6000.7/script-reference/unityeditor/assetdatabase/makeeditable.md) | Makes a file open for editing in version control. | | [MoveAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/moveasset.md) | Move an asset file (or folder) from one folder to another. | | [MoveAssetsToTrash](/engine/6000.7/script-reference/unityeditor/assetdatabase/moveassetstotrash.md) | Lets you move multiple assets or folders to trash at once with performance benefits under version control. | | [MoveAssetToTrash](/engine/6000.7/script-reference/unityeditor/assetdatabase/moveassettotrash.md) | Moves the specified asset or folder to the OS trash. | | [OpenAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/openasset.md) | Opens the asset with associated application. | | [Refresh](/engine/6000.7/script-reference/unityeditor/assetdatabase/refresh.md) | Import any changed assets. | | [RefreshSettings](/engine/6000.7/script-reference/unityeditor/assetdatabase/refreshsettings.md) | Apply pending Editor Settings changes to the Asset pipeline. | | [RegisterCustomDependency](/engine/6000.7/script-reference/unityeditor/assetdatabase/registercustomdependency.md) | Allows you to register a custom dependency that Assets can be dependent on. If you register a custom dependency, and specify that an Asset is dependent on it, then the Asset will get re-imported if the custom dependency changes. | | [ReleaseCachedFileHandles](/engine/6000.7/script-reference/unityeditor/assetdatabase/releasecachedfilehandles.md) | Calling this function will release file handles internally cached by Unity. This allows modifying asset or meta files safely thus avoiding potential file sharing IO errors. | | [RemoveAssetBundleName](/engine/6000.7/script-reference/unityeditor/assetdatabase/removeassetbundlename.md) | Remove the AssetBundle name from the Asset Database. | | [RemoveObjectFromAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/removeobjectfromasset.md) | Removes object from its asset (Additional Resources: [AssetDatabase.AddObjectToAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/addobjecttoasset.md)). | | [RemoveScriptableObjectsWithMissingScript](/engine/6000.7/script-reference/unityeditor/assetdatabase/removescriptableobjectswithmissingscript.md) | Removes any ScriptableObject instances from the given asset file which cannot be loaded because their scripts could not be found. | | [RemoveUnusedAssetBundleNames](/engine/6000.7/script-reference/unityeditor/assetdatabase/removeunusedassetbundlenames.md) | Remove all the unused AssetBundle names in the Asset Database. | | [RenameAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/renameasset.md) | Rename an asset file. | | [ResetCacheServerReconnectTimer](/engine/6000.7/script-reference/unityeditor/assetdatabase/resetcacheserverreconnecttimer.md) | Resets the internal cache server connection reconnect timer values. The default delay timer value is 1 second, and the max delay value is 5 minutes. Everytime a connection attempt fails it will double the delay timer value, until a maximum time of the max value. | | [SaveAssetIfDirty](/engine/6000.7/script-reference/unityeditor/assetdatabase/saveassetifdirty.md) | Writes all unsaved changes to the specified asset to disk. | | [SaveAssets](/engine/6000.7/script-reference/unityeditor/assetdatabase/saveassets.md) | Writes all unsaved asset changes to disk. | | [SetImporterOverride](/engine/6000.7/script-reference/unityeditor/assetdatabase/setimporteroverride.md) | Sets a specific importer to use for the asset. | | [SetLabels](/engine/6000.7/script-reference/unityeditor/assetdatabase/setlabels.md) | Replaces the list of labels on an asset. | | [SetMainObject](/engine/6000.7/script-reference/unityeditor/assetdatabase/setmainobject.md) | Specifies which object in the asset file should become the main object after the next import. | | [StartAssetEditing](/engine/6000.7/script-reference/unityeditor/assetdatabase/startassetediting.md) | Pauses automatic asset import, allowing you to group several asset imports together into one larger import. | | [StopAssetEditing](/engine/6000.7/script-reference/unityeditor/assetdatabase/stopassetediting.md) | Ends the Asset Database's temporary paused state, allowing it to resume normal automatic imports. | | [TryGetAssetFolderInfo](/engine/6000.7/script-reference/unityeditor/assetdatabase/trygetassetfolderinfo.md) | Get AssetDatabase specific information about a folder. | | [TryGetGUIDAndLocalFileIdentifier](/engine/6000.7/script-reference/unityeditor/assetdatabase/trygetguidandlocalfileidentifier.md) | Get the GUID and local file id from an object instance id. | | [UnregisterCustomDependencyPrefixFilter](/engine/6000.7/script-reference/unityeditor/assetdatabase/unregistercustomdependencyprefixfilter.md) | Removes custom dependencies that match the prefixFilter. | | [ValidateMoveAsset](/engine/6000.7/script-reference/unityeditor/assetdatabase/validatemoveasset.md) | Checks if an asset file can be moved from one folder to another. (Without actually moving the file). | | [WriteImportSettingsIfDirty](/engine/6000.7/script-reference/unityeditor/assetdatabase/writeimportsettingsifdirty.md) | Writes the import settings to disk. | ## Static Events | Member | Description | | ------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------- | | [cacheServerConnectionChanged](/engine/6000.7/script-reference/unityeditor/assetdatabase/cacheserverconnectionchanged.md) | Unity raises this event when Cache Server connection is changed. | | [importPackageCancelled](/engine/6000.7/script-reference/unityeditor/assetdatabase/importpackagecancelled.md) | Callback raised whenever a package import is cancelled by the user. | | [importPackageCompleted](/engine/6000.7/script-reference/unityeditor/assetdatabase/importpackagecompleted.md) | Callback raised whenever a package import successfully completes. | | [importPackageFailed](/engine/6000.7/script-reference/unityeditor/assetdatabase/importpackagefailed.md) | Callback raised whenever a package import failed. | | [importPackageStarted](/engine/6000.7/script-reference/unityeditor/assetdatabase/importpackagestarted.md) | Callback raised whenever a package import starts. | ## Classes | Class | Description | | ----------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [AssetDatabase.AssetEditingScope](/engine/6000.7/script-reference/unityeditor/assetdatabase/asseteditingscope.md) | Places the Asset Database into a state that temporarily prevents automatic import, allowing you to group several asset imports together into one larger import. | ## Enums | Enum | Description | | ----------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------- | | [AssetDatabase.RefreshImportMode](/engine/6000.7/script-reference/unityeditor/assetdatabase/refreshimportmode.md) | Options that control whether the Editor imports assets in the Editor process, or in parallel in import worker processes, during an Asset Database refresh. | ## Delegates | Delegate | Description | | ------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------- | | [AssetDatabase.ImportPackageCallback](/engine/6000.7/script-reference/unityeditor/assetdatabase/importpackagecallback.md) | Delegate to be called from [AssetDatabase.ImportPackage](/engine/6000.7/script-reference/unityeditor/assetdatabase/importpackage.md) callbacks. | | [AssetDatabase.ImportPackageFailedCallback](/engine/6000.7/script-reference/unityeditor/assetdatabase/importpackagefailedcallback.md) | Delegate to be called from [AssetDatabase.ImportPackage](/engine/6000.7/script-reference/unityeditor/assetdatabase/importpackage.md) callbacks. |