[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Target](./puppeteer.protocol.target.md) > [DetachFromTargetRequest](./puppeteer.protocol.target.detachfromtargetrequest.md) > [sessionId](./puppeteer.protocol.target.detachfromtargetrequest.sessionid.md) ## Protocol.Target.DetachFromTargetRequest.sessionId property Session to detach. Signature: ```typescript sessionId?: SessionID; ```