[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Profiler](./puppeteer.protocol.profiler.md) > [StartPreciseCoverageResponse](./puppeteer.protocol.profiler.startprecisecoverageresponse.md) ## Protocol.Profiler.StartPreciseCoverageResponse interface Signature: ```typescript export interface StartPreciseCoverageResponse ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [timestamp](./puppeteer.protocol.profiler.startprecisecoverageresponse.timestamp.md) | number | Monotonically increasing time (in seconds) when the coverage update was taken in the backend. |