# In-app Surveys Callback

You can execute code in a handler that gets called before a survey is shown and after it has been dismissed. You can use this for things like pausing and resuming a game, for example.

#### Before Showing the Survey

{% code title="Dart" %}

```dart
Surveys.setOnShowCallback(Function function);
```

{% endcode %}

#### After the Survey Has Been Dismissed

{% code title="Dart" %}

```dart
Surveys.setOnDismissCallback(Function function);
```

{% endcode %}


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