[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [DOMDebugger](./puppeteer.protocol.domdebugger.md) > [GetEventListenersRequest](./puppeteer.protocol.domdebugger.geteventlistenersrequest.md) > [pierce](./puppeteer.protocol.domdebugger.geteventlistenersrequest.pierce.md) ## Protocol.DOMDebugger.GetEventListenersRequest.pierce property Whether or not iframes and shadow roots should be traversed when returning the subtree (default is false). Reports listeners for all contexts if pierce is enabled. Signature: ```typescript pierce?: boolean; ```