[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [ApplicationCache](./puppeteer.protocol.applicationcache.md) > [ApplicationCacheStatusUpdatedEvent](./puppeteer.protocol.applicationcache.applicationcachestatusupdatedevent.md) > [frameId](./puppeteer.protocol.applicationcache.applicationcachestatusupdatedevent.frameid.md) ## Protocol.ApplicationCache.ApplicationCacheStatusUpdatedEvent.frameId property Identifier of the frame containing document whose application cache updated status. Signature: ```typescript frameId: Page.FrameId; ```