api-docs/docs/browser-tracker/markdown/browser-tracker.commoneventproperties.timestamp.md
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[Home](./index.md) > [@snowplow/browser-tracker](./browser-tracker.md) > [CommonEventProperties](./browser-tracker.commoneventproperties.md) > [timestamp](./browser-tracker.commoneventproperties.timestamp.md)
## CommonEventProperties.timestamp property
Set the true timestamp or overwrite the device sent timestamp on an event
<b>Signature:</b>
```typescript
timestamp?: Timestamp | null;
```