---
title: AppsReportingCampaign.BillingEvent
framework: Apple Ads Platform API
role: symbol
role_heading: Type
platforms: [apple ads platform api 1.0+]
path: apple-ads-platform-api/appsreportingcampaign/billingevent-data.typealias
---

# AppsReportingCampaign.BillingEvent

The billing event of the campaign at report time.

## Declaration

```data
string AppsReportingCampaign.BillingEvent
```

## Possible Values

TAPS: The campaign is charged per tap. IMPRESSIONS: The campaign is charged per thousand impressions (CPM).

## Discussion

Discussion This determines which report metrics are actionable for cost analysis: TAPS billing pairs with tap-based cost metrics, while IMPRESSIONS billing pairs with CPM-based ones. Example {   "billingEvent": "TAPS" } See ReportingBillingEvent for additional context.