snowplow/snowplow-javascript-tracker

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[Home](./index.md) &gt; [@snowplow/node-tracker](./node-tracker.md) &gt; [Tracker](./node-tracker.tracker.md) &gt; [setSessionId](./node-tracker.tracker.setsessionid.md)

## Tracker.setSessionId property

Set the session ID (`domain_sessionid` in the atomic events)

<b>Signature:</b>

```typescript
setSessionId: (sessionId: string) => void;
```