[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [CSS](./puppeteer.protocol.css.md) > [FontsUpdatedEvent](./puppeteer.protocol.css.fontsupdatedevent.md) ## Protocol.CSS.FontsUpdatedEvent interface Fires whenever a web font is updated. A non-empty font parameter indicates a successfully loaded web font Signature: ```typescript export interface FontsUpdatedEvent ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [font](./puppeteer.protocol.css.fontsupdatedevent.font.md) | [FontFace](./puppeteer.protocol.css.fontface.md) | The web font that has loaded. |