[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Runtime](./puppeteer.protocol.runtime.md) > [CompileScriptRequest](./puppeteer.protocol.runtime.compilescriptrequest.md) > [expression](./puppeteer.protocol.runtime.compilescriptrequest.expression.md) ## Protocol.Runtime.CompileScriptRequest.expression property Expression to compile. Signature: ```typescript expression: string; ```