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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [ExecutionContext](./puppeteer.executioncontext.md) &gt; [\_contextId](./puppeteer.executioncontext._contextid.md)

## ExecutionContext.\_contextId property

<b>Signature:</b>

```typescript
_contextId: number;
```
