[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Input](./puppeteer.protocol.input.md) > [SynthesizeScrollGestureRequest](./puppeteer.protocol.input.synthesizescrollgesturerequest.md) > [yOverscroll](./puppeteer.protocol.input.synthesizescrollgesturerequest.yoverscroll.md) ## Protocol.Input.SynthesizeScrollGestureRequest.yOverscroll property The number of additional pixels to scroll back along the Y axis, in addition to the given distance. Signature: ```typescript yOverscroll?: number; ```