--- sidebar_label: Connection.session --- # Connection.session() method #### Signature: ```typescript class Connection { session(sessionId: string): CDPSession | null; } ``` ## Parameters | Parameter | Type | Description | | --------- | ------ | -------------- | | sessionId | string | The session id | **Returns:** [CDPSession](./puppeteer.cdpsession.md) \| null The current CDP session if it exists