[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Animation](./puppeteer.protocol.animation.md) > [AnimationEffect](./puppeteer.protocol.animation.animationeffect.md) > [fill](./puppeteer.protocol.animation.animationeffect.fill.md) ## Protocol.Animation.AnimationEffect.fill property `AnimationEffect`'s fill mode. Signature: ```typescript fill: string; ```