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