[Home](./index.md) > [puppeteer](./puppeteer.md) > [Puppeteer](./puppeteer.puppeteer.md) > [customQueryHandlerNames](./puppeteer.puppeteer.customqueryhandlernames.md) ## Puppeteer.customQueryHandlerNames() method Signature: ```typescript customQueryHandlerNames(): string[]; ``` Returns: string\[\] a list with the names of all registered custom query handlers.