[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Runtime](./puppeteer.protocol.runtime.md) > [PropertyDescriptor](./puppeteer.protocol.runtime.propertydescriptor.md) > [writable](./puppeteer.protocol.runtime.propertydescriptor.writable.md) ## Protocol.Runtime.PropertyDescriptor.writable property True if the value associated with the property may be changed (data descriptors only). Signature: ```typescript writable?: boolean; ```