[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [CSS](./puppeteer.protocol.css.md) > [TrackComputedStyleUpdatesRequest](./puppeteer.protocol.css.trackcomputedstyleupdatesrequest.md) > [propertiesToTrack](./puppeteer.protocol.css.trackcomputedstyleupdatesrequest.propertiestotrack.md) ## Protocol.CSS.TrackComputedStyleUpdatesRequest.propertiesToTrack property Signature: ```typescript propertiesToTrack: CSSComputedStyleProperty[]; ```