[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [CSS](./puppeteer.protocol.css.md) > [SetEffectivePropertyValueForNodeRequest](./puppeteer.protocol.css.seteffectivepropertyvaluefornoderequest.md) > [propertyName](./puppeteer.protocol.css.seteffectivepropertyvaluefornoderequest.propertyname.md) ## Protocol.CSS.SetEffectivePropertyValueForNodeRequest.propertyName property Signature: ```typescript propertyName: string; ```