[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Debugger](./puppeteer.protocol.debugger.md) > [SetScriptSourceRequest](./puppeteer.protocol.debugger.setscriptsourcerequest.md) > [dryRun](./puppeteer.protocol.debugger.setscriptsourcerequest.dryrun.md) ## Protocol.Debugger.SetScriptSourceRequest.dryRun property If true the change will not actually be applied. Dry run may be used to get result description without actually modifying the code. Signature: ```typescript dryRun?: boolean; ```