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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [BackgroundService](./puppeteer.protocol.backgroundservice.md)

## Protocol.BackgroundService namespace

Defines events for background web platform features.

<b>Signature:</b>

```typescript
export namespace BackgroundService 
```

## Interfaces

|  Interface | Description |
|  --- | --- |
|  [BackgroundServiceEvent](./puppeteer.protocol.backgroundservice.backgroundserviceevent.md) |  |
|  [BackgroundServiceEventReceivedEvent](./puppeteer.protocol.backgroundservice.backgroundserviceeventreceivedevent.md) | Called with all existing backgroundServiceEvents when enabled, and all new events afterwards if enabled and recording. |
|  [ClearEventsRequest](./puppeteer.protocol.backgroundservice.cleareventsrequest.md) |  |
|  [EventMetadata](./puppeteer.protocol.backgroundservice.eventmetadata.md) | A key-value pair for additional event information to pass along. |
|  [RecordingStateChangedEvent](./puppeteer.protocol.backgroundservice.recordingstatechangedevent.md) | Called when the recording state for the service has been updated. |
|  [SetRecordingRequest](./puppeteer.protocol.backgroundservice.setrecordingrequest.md) |  |
|  [StartObservingRequest](./puppeteer.protocol.backgroundservice.startobservingrequest.md) |  |
|  [StopObservingRequest](./puppeteer.protocol.backgroundservice.stopobservingrequest.md) |  |

## Type Aliases

|  Type Alias | Description |
|  --- | --- |
|  [ServiceName](./puppeteer.protocol.backgroundservice.servicename.md) | The Background Service that will be associated with the commands/events. Every Background Service operates independently, but they share the same API. |