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# transactionAuthor

A string that identifies the author of the transaction.

```
var transactionAuthor: String? { get set }
```

## Discussion

Specify a string to identify a transaction author when you save changes. Then, when you configure a [`CNChangeHistoryFetchRequest`](/documentation/Contacts/CNChangeHistoryFetchRequest), provide the same string in [`excludedTransactionAuthors`](/documentation/Contacts/CNChangeHistoryFetchRequest/excludedTransactionAuthors) to prevent fetching changes that the author already knows about.

---

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