[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [ServiceWorker](./puppeteer.protocol.serviceworker.md) > [ServiceWorkerVersion](./puppeteer.protocol.serviceworker.serviceworkerversion.md) ## Protocol.ServiceWorker.ServiceWorkerVersion interface ServiceWorker version. Signature: ```typescript export interface ServiceWorkerVersion ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [controlledClients](./puppeteer.protocol.serviceworker.serviceworkerversion.controlledclients.md) | [Target.TargetID](./puppeteer.protocol.target.targetid.md)\[\] | | | [registrationId](./puppeteer.protocol.serviceworker.serviceworkerversion.registrationid.md) | [RegistrationID](./puppeteer.protocol.serviceworker.registrationid.md) | | | [runningStatus](./puppeteer.protocol.serviceworker.serviceworkerversion.runningstatus.md) | [ServiceWorkerVersionRunningStatus](./puppeteer.protocol.serviceworker.serviceworkerversionrunningstatus.md) | | | [scriptLastModified](./puppeteer.protocol.serviceworker.serviceworkerversion.scriptlastmodified.md) | number | The Last-Modified header value of the main script. | | [scriptResponseTime](./puppeteer.protocol.serviceworker.serviceworkerversion.scriptresponsetime.md) | number | The time at which the response headers of the main script were received from the server. For cached script it is the last time the cache entry was validated. | | [scriptURL](./puppeteer.protocol.serviceworker.serviceworkerversion.scripturl.md) | string | | | [status](./puppeteer.protocol.serviceworker.serviceworkerversion.status.md) | [ServiceWorkerVersionStatus](./puppeteer.protocol.serviceworker.serviceworkerversionstatus.md) | | | [targetId](./puppeteer.protocol.serviceworker.serviceworkerversion.targetid.md) | [Target.TargetID](./puppeteer.protocol.target.targetid.md) | | | [versionId](./puppeteer.protocol.serviceworker.serviceworkerversion.versionid.md) | string | |