[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Profiler](./puppeteer.protocol.profiler.md) > [StartPreciseCoverageRequest](./puppeteer.protocol.profiler.startprecisecoveragerequest.md) > [detailed](./puppeteer.protocol.profiler.startprecisecoveragerequest.detailed.md) ## Protocol.Profiler.StartPreciseCoverageRequest.detailed property Collect block-based coverage. Signature: ```typescript detailed?: boolean; ```