[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [AddScriptToEvaluateOnLoadRequest](./puppeteer.protocol.page.addscripttoevaluateonloadrequest.md) > [scriptSource](./puppeteer.protocol.page.addscripttoevaluateonloadrequest.scriptsource.md) ## Protocol.Page.AddScriptToEvaluateOnLoadRequest.scriptSource property Signature: ```typescript scriptSource: string; ```