snowplow/snowplow-javascript-tracker

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[Home](./index.md) &gt; [@snowplow/node-tracker](./node-tracker.md) &gt; [AdImpressionEvent](./node-tracker.adimpressionevent.md)

## AdImpressionEvent interface

An Ad Impression Event Used to track an advertisement impression

<b>Signature:</b>

```typescript
interface AdImpressionEvent 
```

## Remarks

If you provide the cost field, you must also provide one of 'cpa', 'cpc', and 'cpm' for the costModel field.

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [advertiserId?](./node-tracker.adimpressionevent.advertiserid.md) | string | <i>(Optional)</i> Identifier for the advertiser which the campaign belongs to |
|  [bannerId?](./node-tracker.adimpressionevent.bannerid.md) | string | <i>(Optional)</i> Identifier for the ad banner being displayed |
|  [campaignId?](./node-tracker.adimpressionevent.campaignid.md) | string | <i>(Optional)</i> Identifier for the advertiser which the campaign belongs to |
|  [cost?](./node-tracker.adimpressionevent.cost.md) | number | <i>(Optional)</i> Advertisement cost |
|  [costModel?](./node-tracker.adimpressionevent.costmodel.md) | "cpa" \| "cpc" \| "cpm" | <i>(Optional)</i> The cost model for the campaign |
|  [impressionId?](./node-tracker.adimpressionevent.impressionid.md) | string | <i>(Optional)</i> Identifier for the particular impression instance |
|  [targetUrl?](./node-tracker.adimpressionevent.targeturl.md) | string | <i>(Optional)</i> The destination URL of the advertisement |
|  [zoneId?](./node-tracker.adimpressionevent.zoneid.md) | string | <i>(Optional)</i> Identifier for the zone where the ad banner is located |