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# NSFileProviderItemFields

Fields that specify which of the item’s properties have changed.

```
struct NSFileProviderItemFields
```

## Overview

Most of the fields correspond to properties in the [`NSFileProviderItemProtocol`](/documentation/FileProvider/NSFileProviderItemProtocol) protocol.

## Topics

### Specifying the Required Fields

[`filename`](/documentation/FileProvider/NSFileProviderItemFields/filename)

The item’s filename.

[`contents`](/documentation/FileProvider/NSFileProviderItemFields/contents)

The item’s content.

### Specifying Content Location

[`parentItemIdentifier`](/documentation/FileProvider/NSFileProviderItemFields/parentItemIdentifier)

The identity of the directory that contains the item.

### Tracking Usage

[`contentModificationDate`](/documentation/FileProvider/NSFileProviderItemFields/contentModificationDate)

The item’s modification date.

[`creationDate`](/documentation/FileProvider/NSFileProviderItemFields/creationDate)

The item’s creation date.

[`lastUsedDate`](/documentation/FileProvider/NSFileProviderItemFields/lastUsedDate)

The date the item was last used.

### Working with Metadata

[`extendedAttributes`](/documentation/FileProvider/NSFileProviderItemFields/extendedAttributes)

The item’s extended attributes.

[`fileSystemFlags`](/documentation/FileProvider/NSFileProviderItemFields/fileSystemFlags)

The flags describing the item’s on-disk representation.

[`tagData`](/documentation/FileProvider/NSFileProviderItemFields/tagData)

The tags for the item.

[`favoriteRank`](/documentation/FileProvider/NSFileProviderItemFields/favoriteRank)

The item’s favorite rank.

[`typeAndCreator`](/documentation/FileProvider/NSFileProviderItemFields/typeAndCreator)

The file type and creator codes for the item.

### Initializers

[`init(rawValue:)`](/documentation/FileProvider/NSFileProviderItemFields/init(rawValue:))

Creates an option instance from the raw value.


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