Push tokens are used for [Audience Builder](/en/article/audience-builder) and client callbacks. They are also required for [Uninstall and reinstall tracking](/en/article/uninstalls-reinstalls).

Your config object contains a string `pushToken` property that you can use to store your push token. You can update this property at any time by calling the `setPushToken` method with your token as an argument.

++++>
### Dart

```dart
Adjust.setPushToken('{PushNotificationsToken}');
```

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+++>
### [Example](example-1)

In this example, we set a new push token with the value _`HrFmrcq96tj723aWFfrw`_ to track our app's retention rates. We can update this token by passing it to the `setPushToken` method as an argument:

```dart
Adjust.setPushToken('HrFmrcq96tj723aWFfrw');
```

+++<


Push tokens are used for [Audience Builder](/en/article/audience-builder) and client callbacks. They are also required for [Uninstall and reinstall tracking](/en/article/uninstalls-reinstalls).

SDK push tokens intro

Your config object contains a string `pushToken` property that you can use to store your push token. You can update this property at any time by calling the `setPushToken` method with your token as an argument.

Flutter SDK setPushToken description

In this example, we set a new push token with the value _`HrFmrcq96tj723aWFfrw`_ to track our app's retention rates. We can update this token by passing it to the `setPushToken` method as an argument:

Flutter SDK setPushToken example

++++>
### Dart

```dart
Adjust.setPushToken('{PushNotificationsToken}');
```

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Flutter SDK setPushToken snippet

Set up push tokens

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