[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Cast](./puppeteer.protocol.cast.md) > [Sink](./puppeteer.protocol.cast.sink.md) > [session](./puppeteer.protocol.cast.sink.session.md) ## Protocol.Cast.Sink.session property Text describing the current session. Present only if there is an active session on the sink. Signature: ```typescript session?: string; ```