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# didFinishEnumeratingContent(upTo:)

Finishes the content enumeration to the observer.

```
func didFinishEnumeratingContent(upTo generationMarker: Data)
```

## Parameters

`generationMarker`

A value specific to your data source identifying the database generation whose content has been enumerated.

## Discussion

Call this when there are no more items to enumerate. Any future item enumerations after this are change enumerations.
The first change enumeration begins from `generationMarker`, which syncs changes made after the content enumeration began.
Calling this method saves the current page of items to the system Contacts database.

---

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