puppeteer/new-docs/puppeteer.tracing.start.md

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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Tracing](./puppeteer.tracing.md) &gt; [start](./puppeteer.tracing.start.md)

## Tracing.start() method

Starts a trace for the current page.

<b>Signature:</b>

```typescript
start(options?: TracingOptions): Promise<void>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  options | [TracingOptions](./puppeteer.tracingoptions.md) | Optional <code>TracingOptions</code>. |

<b>Returns:</b>

Promise&lt;void&gt;

## Remarks

Only one trace can be active at a time per browser.
chore: commit base new-docs (#5973) This adds the new docs that are generated by API Extractor via TSDoc. They are sparse because we do not yet use TSDoc in the codebase. This is the starting point and from here we can work through all the different classes and improve the documentation. 2020-06-04 14:56:45 +00:00			`<!-- Do not edit this file. It is automatically generated by API Documenter. -->`

			`[Home](./index.md) > [puppeteer](./puppeteer.md) > [Tracing](./puppeteer.tracing.md) > [start](./puppeteer.tracing.start.md)`

			`## Tracing.start() method`

docs(new): Adds TSDoc to Tracing class (#6088) * Adds tsdoc to Tracing class * Updates tsdocs Co-authored-by: martinsplitt <martin@geekonaut.de> 2020-06-24 12:57:59 +00:00			`Starts a trace for the current page.`

chore: commit base new-docs (#5973) This adds the new docs that are generated by API Extractor via TSDoc. They are sparse because we do not yet use TSDoc in the codebase. This is the starting point and from here we can work through all the different classes and improve the documentation. 2020-06-04 14:56:45 +00:00			`<b>Signature:</b>`

			```typescript
			`start(options?: TracingOptions): Promise<void>;`
			```

			`## Parameters`

			`\| Parameter \| Type \| Description \|`
			`\| --- \| --- \| --- \|`
chore(docs): reduce warnings when generating docs (#6138) * chore(docs): reduce warnings when generating docs This is a bunch of small miscellaneous fixes that reduce the amount of warnings logged when generating our new docs. The long term goal is to get this list down to 0 warnings, but I'll do it in multiple PRs. * satisfy doclint 2020-07-02 11:15:39 +00:00			`\| options \| [TracingOptions](./puppeteer.tracingoptions.md) \| Optional <code>TracingOptions</code>. \|`
chore: commit base new-docs (#5973) This adds the new docs that are generated by API Extractor via TSDoc. They are sparse because we do not yet use TSDoc in the codebase. This is the starting point and from here we can work through all the different classes and improve the documentation. 2020-06-04 14:56:45 +00:00
			`<b>Returns:</b>`

			`Promise<void>`

docs(new): Adds TSDoc to Tracing class (#6088) * Adds tsdoc to Tracing class * Updates tsdocs Co-authored-by: martinsplitt <martin@geekonaut.de> 2020-06-24 12:57:59 +00:00			`## Remarks`

			`Only one trace can be active at a time per browser.`