[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Performance](./puppeteer.protocol.performance.md) > [EnableRequest](./puppeteer.protocol.performance.enablerequest.md) > [timeDomain](./puppeteer.protocol.performance.enablerequest.timedomain.md) ## Protocol.Performance.EnableRequest.timeDomain property Time domain to use for collecting and reporting duration metrics. (EnableRequestTimeDomain enum) Signature: ```typescript timeDomain?: ('timeTicks' | 'threadTicks'); ```