[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [ServiceWorker](./puppeteer.protocol.serviceworker.md) > [ServiceWorkerErrorMessage](./puppeteer.protocol.serviceworker.serviceworkererrormessage.md) > [sourceURL](./puppeteer.protocol.serviceworker.serviceworkererrormessage.sourceurl.md) ## Protocol.ServiceWorker.ServiceWorkerErrorMessage.sourceURL property Signature: ```typescript sourceURL: string; ```