[Home](./index.md) > [puppeteer](./puppeteer.md) > [CDPSession](./puppeteer.cdpsession.md) > [(constructor)](./puppeteer.cdpsession._constructor_.md) ## CDPSession.(constructor) Constructs a new instance of the `CDPSession` class Signature: ```typescript constructor(connection: Connection, targetType: string, sessionId: string); ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | connection | [Connection](./puppeteer.connection.md) | | | targetType | string | | | sessionId | string | |