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# requestBadgeIdentifier(for:)

Requests a badge for the given file or directory.

```
optional func requestBadgeIdentifier(for url: URL)
```

## Parameters

`url`

The URL of a file or directory inside the extension’s monitored
directories.

## Discussion

Override this method to receive notifications whenever a new item becomes
visible in the Finder. Check the item’s state, and call
[`setBadgeIdentifier(_:for:)`](/documentation/FinderSync/FIFinderSyncController/setBadgeIdentifier(_:for:)) to set an appropriate
badge.

## See Also

[`setBadgeIdentifier(_:for:)`](/documentation/FinderSync/FIFinderSyncController/setBadgeIdentifier(_:for:))

Sets the badge for a file or directory.


---

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