[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Tracing](./puppeteer.protocol.tracing.md) > [TracingCompleteEvent](./puppeteer.protocol.tracing.tracingcompleteevent.md) > [streamCompression](./puppeteer.protocol.tracing.tracingcompleteevent.streamcompression.md) ## Protocol.Tracing.TracingCompleteEvent.streamCompression property Compression format of returned stream. Signature: ```typescript streamCompression?: StreamCompression; ```