[Home](./index.md) > [puppeteer](./puppeteer.md) > [Connection](./puppeteer.connection.md) > [session](./puppeteer.connection.session.md) ## Connection.session() method Signature: ```typescript session(sessionId: string): CDPSession | null; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | sessionId | string | | Returns: [CDPSession](./puppeteer.cdpsession.md) \| null {?CDPSession}