api-docs/docs/node-tracker/markdown/node-tracker.adconversionevent.advertiserid.md
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[Home](./index.md) > [@snowplow/node-tracker](./node-tracker.md) > [AdConversionEvent](./node-tracker.adconversionevent.md) > [advertiserId](./node-tracker.adconversionevent.advertiserid.md)
## AdConversionEvent.advertiserId property
Identifier for the advertiser which the campaign belongs to
<b>Signature:</b>
```typescript
advertiserId?: string;
```