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# searchableIndex(_:reindexSearchableItemsWithIdentifiers:acknowledgementHandler:)

Reindexes the searchable items for the specified identifiers.

```
func searchableIndex(_ searchableIndex: CSSearchableIndex, reindexSearchableItemsWithIdentifiers identifiers: [String], acknowledgementHandler: @escaping () -> Void)
```

## Parameters

`searchableIndex`

The index that contains the items that require reindexing.

`identifiers`

An array of strings that identify the searchable items.

`acknowledgementHandler`

The handler to call when you finish saving client state information.

## Discussion

For more information, see [`searchableIndex(_:reindexSearchableItemsWithIdentifiers:acknowledgementHandler:)`](/documentation/CoreData/NSCoreDataCoreSpotlightDelegate/searchableIndex(_:reindexSearchableItemsWithIdentifiers:acknowledgementHandler:)).

---

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