> ## Documentation Index
> Fetch the complete documentation index at: https://docs.argyle.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Link 4.3

> New callbacks and login screen improvements.

<div className="release-meta">
  <span className="release-date">July 13, 2022</span>
  <span className="release-tag" data-changelog-tag="link">Link</span>
</div>

<img src="https://mintcdn.com/argyle/spW0uZwUC4bDyMgL/images/changelog-generic/link.png?fit=max&auto=format&n=spW0uZwUC4bDyMgL&q=85&s=b6ea923ffd5a9eaa46c5b7425326d751" alt="Link update illustration" width="1030" height="290" data-path="images/changelog-generic/link.png" />

The Argyle team has released these updates to Link:

* You can now give your users the option to upload documents to verify their income if they cannot find their income source. Set the "If no results" experience to Document upload in [Link Customizer](https://console.argyle.com/flows) to utilize this feature.
* The `onCantFindLinkItemClicked` callback is now available through Link Customizer.
  * If you have defined this callback in your implementation, you must set the new behavior in Link Customizer. Set the "If no results" experience to Callback in Customizer to utilize `onCantFindLinkItemClicked`. If you do not apply this setting, the callback will be ignored.
  * If you select Callback in the "If no results" experience, you must also define the `onCantFindLinkItemClicked` callback programmatically. If you do not define this callback in your implementation, Link will raise the `callback_undefined` error.
* The `onUIEvent` callback can now be invoked in additional scenarios.
* The Login screen design has been refreshed, with some small updates to the user disclosure text.
* A new overlay on the Login screen prompts your users to reset their password when they enter incorrect credentials.

You can now integrate Argyle Link into your iOS application using the Swift Package Manager.

Link SDK upgrades are now available:

* [iOS 4.3](https://argyle.com/docs/link/upgrade#ios)
* [Android 4.3](https://argyle.com/docs/link/upgrade#android)
* [React Native 4.3](https://argyle.com/docs/link/upgrade#react-native)
* Web integrations will automatically update to include these latest features.