[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Input](./puppeteer.protocol.input.md) > [DispatchMouseEventRequest](./puppeteer.protocol.input.dispatchmouseeventrequest.md) > [buttons](./puppeteer.protocol.input.dispatchmouseeventrequest.buttons.md) ## Protocol.Input.DispatchMouseEventRequest.buttons property A number indicating which buttons are pressed on the mouse when a mouse event is triggered. Left=1, Right=2, Middle=4, Back=8, Forward=16, None=0. Signature: ```typescript buttons?: integer; ```