[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [BackgroundService](./puppeteer.protocol.backgroundservice.md) > [BackgroundServiceEvent](./puppeteer.protocol.backgroundservice.backgroundserviceevent.md) > [eventMetadata](./puppeteer.protocol.backgroundservice.backgroundserviceevent.eventmetadata.md) ## Protocol.BackgroundService.BackgroundServiceEvent.eventMetadata property A list of event-specific information. Signature: ```typescript eventMetadata: EventMetadata[]; ```