25 lines
1.8 KiB
Markdown
25 lines
1.8 KiB
Markdown
<!-- Do not edit this file. It is automatically generated by API Documenter. -->
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[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Tracing](./puppeteer.protocol.tracing.md) > [StartRequest](./puppeteer.protocol.tracing.startrequest.md)
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## Protocol.Tracing.StartRequest interface
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<b>Signature:</b>
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```typescript
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export interface StartRequest
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```
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## Properties
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| Property | Type | Description |
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| --- | --- | --- |
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| [bufferUsageReportingInterval](./puppeteer.protocol.tracing.startrequest.bufferusagereportinginterval.md) | number | If set, the agent will issue bufferUsage events at this interval, specified in milliseconds |
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| [categories](./puppeteer.protocol.tracing.startrequest.categories.md) | string | Category/tag filter |
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| [options](./puppeteer.protocol.tracing.startrequest.options.md) | string | Tracing options |
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| [streamCompression](./puppeteer.protocol.tracing.startrequest.streamcompression.md) | [StreamCompression](./puppeteer.protocol.tracing.streamcompression.md) | Compression format to use. This only applies when using <code>ReturnAsStream</code> transfer mode (defaults to <code>none</code>) |
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| [streamFormat](./puppeteer.protocol.tracing.startrequest.streamformat.md) | [StreamFormat](./puppeteer.protocol.tracing.streamformat.md) | Trace data format to use. This only applies when using <code>ReturnAsStream</code> transfer mode (defaults to <code>json</code>). |
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| [traceConfig](./puppeteer.protocol.tracing.startrequest.traceconfig.md) | [TraceConfig](./puppeteer.protocol.tracing.traceconfig.md) | |
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| [transferMode](./puppeteer.protocol.tracing.startrequest.transfermode.md) | ('ReportEvents' \| 'ReturnAsStream') | Whether to report trace events as series of dataCollected events or to save trace to a stream (defaults to <code>ReportEvents</code>). |
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