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

# CampaignCreate.BillingEvent

The user interaction that triggers a charge for a campaign.

## Declaration

```data
string CampaignCreate.BillingEvent
```

## Possible Values

TAPS: The campaign is charged each time a user taps an ad. For App Ads campaigns, compatible with MANUAL_CPT and MAX_CONVERSIONS. For Apple Maps campaigns, compatible with MANUAL_CPT and MAX_ENGAGEMENTS. IMPRESSIONS: The campaign is charged per thousand impressions (CPM). Required for the MANUAL_CPM bid strategy. Available only for Apple Maps campaigns (promotedObjectType: BUSINESS_BRAND).

## Discussion

Discussion Set at campaign creation and immutable.