[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Input](./puppeteer.protocol.input.md) > [DispatchMouseEventRequest](./puppeteer.protocol.input.dispatchmouseeventrequest.md) > [timestamp](./puppeteer.protocol.input.dispatchmouseeventrequest.timestamp.md) ## Protocol.Input.DispatchMouseEventRequest.timestamp property Time at which the event occurred. Signature: ```typescript timestamp?: TimeSinceEpoch; ```