[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Runtime](./puppeteer.protocol.runtime.md) > [PropertyDescriptor](./puppeteer.protocol.runtime.propertydescriptor.md) > [wasThrown](./puppeteer.protocol.runtime.propertydescriptor.wasthrown.md) ## Protocol.Runtime.PropertyDescriptor.wasThrown property True if the result was thrown during the evaluation. Signature: ```typescript wasThrown?: boolean; ```