<!-- Do not edit this file. It is automatically generated by API Documenter. --> [Home](./index.md) > [puppeteer](./puppeteer.md) > [SerializedAXNode](./puppeteer.serializedaxnode.md) > [invalid](./puppeteer.serializedaxnode.invalid.md) ## SerializedAXNode.invalid property Whether and in what way this node's value is invalid. <b>Signature:</b> ```typescript invalid?: string; ```