[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Page](./puppeteer.protocol.page.md) > [AddScriptToEvaluateOnNewDocumentResponse](./puppeteer.protocol.page.addscripttoevaluateonnewdocumentresponse.md) > [identifier](./puppeteer.protocol.page.addscripttoevaluateonnewdocumentresponse.identifier.md) ## Protocol.Page.AddScriptToEvaluateOnNewDocumentResponse.identifier property Identifier of the added script. Signature: ```typescript identifier: ScriptIdentifier; ```