[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [DOM](./puppeteer.protocol.dom.md) > [CopyToRequest](./puppeteer.protocol.dom.copytorequest.md) > [insertBeforeNodeId](./puppeteer.protocol.dom.copytorequest.insertbeforenodeid.md) ## Protocol.DOM.CopyToRequest.insertBeforeNodeId property Drop the copy before this node (if absent, the copy becomes the last child of `targetNodeId`). Signature: ```typescript insertBeforeNodeId?: NodeId; ```