[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Runtime](./puppeteer.protocol.runtime.md) > [EvaluateRequest](./puppeteer.protocol.runtime.evaluaterequest.md) > [allowUnsafeEvalBlockedByCSP](./puppeteer.protocol.runtime.evaluaterequest.allowunsafeevalblockedbycsp.md) ## Protocol.Runtime.EvaluateRequest.allowUnsafeEvalBlockedByCSP property The Content Security Policy (CSP) for the target might block 'unsafe-eval' which includes eval(), Function(), setTimeout() and setInterval() when called with non-callable arguments. This flag bypasses CSP for this evaluation and allows unsafe-eval. Defaults to true. Signature: ```typescript allowUnsafeEvalBlockedByCSP?: boolean; ```