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# BrandsReportingCampaign.BillingEvent

The billing event of the campaign at report time.

```
string BrandsReportingCampaign.BillingEvent
```

## Discussion

Brands campaigns can use either billing model, so check this field before comparing cost-per-tap and cost-per-impression figures across rows.

### Example

```json
{
  "billingEvent": "TAPS"
}
```

See [`ReportingBillingEvent`](/documentation/Apple-Ads-Platform-API/ReportingBillingEvent) for additional context.

---

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