[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Debugger](./puppeteer.protocol.debugger.md) > [SetScriptSourceResponse](./puppeteer.protocol.debugger.setscriptsourceresponse.md) > [asyncStackTraceId](./puppeteer.protocol.debugger.setscriptsourceresponse.asyncstacktraceid.md) ## Protocol.Debugger.SetScriptSourceResponse.asyncStackTraceId property Async stack trace, if any. Signature: ```typescript asyncStackTraceId?: Runtime.StackTraceId; ```