[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Overlay](./puppeteer.protocol.overlay.md) > [HighlightConfig](./puppeteer.protocol.overlay.highlightconfig.md) > [showExtensionLines](./puppeteer.protocol.overlay.highlightconfig.showextensionlines.md) ## Protocol.Overlay.HighlightConfig.showExtensionLines property Whether the extension lines from node to the rulers should be shown (default: false). Signature: ```typescript showExtensionLines?: boolean; ```