[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Input](./puppeteer.protocol.input.md) > [DispatchKeyEventRequest](./puppeteer.protocol.input.dispatchkeyeventrequest.md) > [key](./puppeteer.protocol.input.dispatchkeyeventrequest.key.md) ## Protocol.Input.DispatchKeyEventRequest.key property Unique DOM defined string value describing the meaning of the key in the context of active modifiers, keyboard layout, etc (e.g., 'AltGr') (default: ""). Signature: ```typescript key?: string; ```