[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Overlay](./puppeteer.protocol.overlay.md) > [GridHighlightConfig](./puppeteer.protocol.overlay.gridhighlightconfig.md) > [showGridExtensionLines](./puppeteer.protocol.overlay.gridhighlightconfig.showgridextensionlines.md) ## Protocol.Overlay.GridHighlightConfig.showGridExtensionLines property Whether the extension lines from grid cells to the rulers should be shown (default: false). Signature: ```typescript showGridExtensionLines?: boolean; ```