---
title: File System Metadata Attribute Keys
framework: coreservices
role: collectionGroup
role_heading: API Collection
path: coreservices/file_metadata/mditem/file_system_metadata_attribute_keys
---

# File System Metadata Attribute Keys

Metadata attribute keys that describe the file system attributes for a file.

## Topics

### Constants

- [kMDItemDisplayName](coreservices/kmditemdisplayname.md)
- [kMDItemFSContentChangeDate](coreservices/kmditemfscontentchangedate.md)
- [kMDItemFSCreationDate](coreservices/kmditemfscreationdate.md)
- [kMDItemFSInvisible](coreservices/kmditemfsinvisible.md)
- [kMDItemFSIsExtensionHidden](coreservices/kmditemfsisextensionhidden.md)
- [kMDItemFSLabel](coreservices/kmditemfslabel.md)
- [kMDItemFSName](coreservices/kmditemfsname.md)
- [kMDItemFSNodeCount](coreservices/kmditemfsnodecount.md)
- [kMDItemFSOwnerGroupID](coreservices/kmditemfsownergroupid.md)
- [kMDItemFSOwnerUserID](coreservices/kmditemfsowneruserid.md)
- [kMDItemFSSize](coreservices/kmditemfssize.md)
- [kMDItemPath](coreservices/kmditempath.md)