[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Debugger](./puppeteer.protocol.debugger.md) > [SetBreakpointByUrlRequest](./puppeteer.protocol.debugger.setbreakpointbyurlrequest.md) > [columnNumber](./puppeteer.protocol.debugger.setbreakpointbyurlrequest.columnnumber.md) ## Protocol.Debugger.SetBreakpointByUrlRequest.columnNumber property Offset in the line to set breakpoint at. Signature: ```typescript columnNumber?: integer; ```