[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [DOM](./puppeteer.protocol.dom.md) > [RequestChildNodesRequest](./puppeteer.protocol.dom.requestchildnodesrequest.md) > [pierce](./puppeteer.protocol.dom.requestchildnodesrequest.pierce.md) ## Protocol.DOM.RequestChildNodesRequest.pierce property Whether or not iframes and shadow roots should be traversed when returning the sub-tree (default is false). Signature: ```typescript pierce?: boolean; ```