[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Input](./puppeteer.protocol.input.md) > [DispatchKeyEventRequest](./puppeteer.protocol.input.dispatchkeyeventrequest.md) > [keyIdentifier](./puppeteer.protocol.input.dispatchkeyeventrequest.keyidentifier.md) ## Protocol.Input.DispatchKeyEventRequest.keyIdentifier property Unique key identifier (e.g., 'U+0041') (default: ""). Signature: ```typescript keyIdentifier?: string; ```