puppeteer/website/versioned_docs/version-15.4.0/api/puppeteer.tracing.start.md
release-please[bot] f0c28085c0
chore(main): release 15.4.0 (#8668)
* chore(main): release 15.4.0

* chore: generate versioned docs

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
2022-07-13 15:52:23 +02:00

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---
sidebar_label: Tracing.start
---
# Tracing.start() method
Starts a trace for the current page.
**Signature:**
```typescript
class Tracing {
start(options?: TracingOptions): Promise<void>;
}
```
## Parameters
| Parameter | Type | Description |
| --------- | ----------------------------------------------- | ------------------------------------------------------- |
| options | [TracingOptions](./puppeteer.tracingoptions.md) | <i>(Optional)</i> Optional <code>TracingOptions</code>. |
**Returns:**
Promise&lt;void&gt;
## Remarks
Only one trace can be active at a time per browser.