[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Overlay](./puppeteer.protocol.overlay.md) > [GridHighlightConfig](./puppeteer.protocol.overlay.gridhighlightconfig.md) > [columnLineDash](./puppeteer.protocol.overlay.gridhighlightconfig.columnlinedash.md) ## Protocol.Overlay.GridHighlightConfig.columnLineDash property Whether column lines are dashed (default: false). Signature: ```typescript columnLineDash?: boolean; ```