[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [WebAudio](./puppeteer.protocol.webaudio.md) > [AudioNodeWillBeDestroyedEvent](./puppeteer.protocol.webaudio.audionodewillbedestroyedevent.md) ## Protocol.WebAudio.AudioNodeWillBeDestroyedEvent interface Notifies that an existing AudioNode has been destroyed. Signature: ```typescript export interface AudioNodeWillBeDestroyedEvent ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [contextId](./puppeteer.protocol.webaudio.audionodewillbedestroyedevent.contextid.md) | [GraphObjectId](./puppeteer.protocol.webaudio.graphobjectid.md) | | | [nodeId](./puppeteer.protocol.webaudio.audionodewillbedestroyedevent.nodeid.md) | [GraphObjectId](./puppeteer.protocol.webaudio.graphobjectid.md) | |