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# exportTokenUserInfoKey

A key for accessing the data transfer token in the export launch activity’s info dictionary.

```
class let exportTokenUserInfoKey: String
```

## Discussion

Use this key to access the token that validates the transfer of browsing data when the system launches your app to export the data. For more information, see [Transferring browsing data to another browser](/documentation/BrowserKit/transferring-browsing-data-to-another-browser).

---

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