# Rewarded

## Integration

 Below we show a simple example to understand how rewarded ads work:

```dart
import 'package:wortise/rewarded_ad.dart';

RewardedAd _rewardedAd;

// Create an interstitial
_rewardedAd = RewardedAd('Wortise Ad Unit ID', listener: (event, args) {
  // This listener will be invoked when an event happens
});

// Request an ad
await _rewardedAd.loadAd();

/* ... */

// Show the ad if available
if (await _rewardedAd.isAvailable) {
  await _rewardedAd.showAd();
}
```

The `RewardedAd` class constructor admits a third parameter, called `reloadOnDismissed`, that when it is set to `true` (the default value is `false`) allows the rewarded to automatically load a new ad when the current one is dismissed.

## **Listener events**

The assigned listener to an `RewardedAd` can receive the following events:

```dart
// The ad has been clicked
RewardedAdEvent.CLICKED
// The ad has been completed
// (the 'amount', 'label' y 'success' arguments are passed)
RewardedAdEvent.COMPLETED
// The ad has been dismissed
RewardedAdEvent.DISMISSED
// The ad could not be loaded
RewardedAdEvent.FAILED_TO_LOAD
// The ad could not be shown
RewardedAdEvent.FAILED_TO_SHOW
// The ad has generated an impression
RewardedAdEvent.IMPRESSION
// The ad has been loaded
RewardedAdEvent.LOADED
// The ad has generated revenue
RewardedAdEvent.REVENUE_PAID
// The ad has been shown
RewardedAdEvent.SHOWN
```

Below, we show a small example about how to obtain the reward once the ad has completed successfully:

```dart
(event, args) {
  if (event == RewardedAdEvent.COMPLETED) {
    int    amount  = args['amount'];
    String label   = args['label'];
    bool   success = args['success'];
    
    ...
  }
});
```


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