[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Tracing](./puppeteer.protocol.tracing.md) > [StartRequest](./puppeteer.protocol.tracing.startrequest.md) > [categories](./puppeteer.protocol.tracing.startrequest.categories.md) ## Protocol.Tracing.StartRequest.categories property Category/tag filter Signature: ```typescript categories?: string; ```