---
title: "didAuthenticate(account:)"
framework: marketplacekit
role: symbol
role_heading: Instance Method
path: "marketplacekit/applibrary/didauthenticate(account:)"
---

# didAuthenticate(account:)

Instructs iOS to reinstall an app after a required reuthorization completes.

## Declaration

```swift
nonisolated final func didAuthenticate(account: String) async
```

## Parameters

- `account`: The account ID or username for the person. The marketplace server provides this value in the doc://com.apple.MarketplaceKit/documentation/MarketplaceKit/MarketplaceKitURIScheme installation request.

## Mentioned in

Reauthenticating a person to manage apps

## Discussion

Discussion The marketplace or other web-distributed app calls this method after reauthenticating a person when the access token expires. For more information, see Reauthenticating a person to manage apps.

## See Also

### Accessing app library and account authorization information

- [current](marketplacekit/applibrary/current.md)