[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Input](./puppeteer.protocol.input.md) > [DispatchKeyEventRequest](./puppeteer.protocol.input.dispatchkeyeventrequest.md) > [isSystemKey](./puppeteer.protocol.input.dispatchkeyeventrequest.issystemkey.md) ## Protocol.Input.DispatchKeyEventRequest.isSystemKey property Whether the event was a system key event (default: false). Signature: ```typescript isSystemKey?: boolean; ```