# Particle scale over time **URL:** \ **Category:** Questions\ **Tags:** particles\ **Created:** [February 26, 2020, 7:34pm UTC](https://forum.babylonjs.com/t/particle-scale-over-time/8811 "2020-02-26T19:34:29Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![tkmoney](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/tkmoney/32/4643_2.png) [@tkmoney](https://forum.babylonjs.com/u/tkmoney)\ **Post date:** [February 26, 2020, 7:34pm UTC](https://forum.babylonjs.com/t/particle-scale-over-time/8811/1 "2020-02-26T19:34:29Z")
This might be a feature request but is there a built in way to adjust a particles scale over its lifetime? I saw that you can create a custom update function. Is that the only way? thanks! ---
**Author:** ![aWeirdo](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/aweirdo/32/52_2.png) [@aWeirdo](https://forum.babylonjs.com/u/aWeirdo)\ **Post date:** [February 26, 2020, 8:29pm UTC](https://forum.babylonjs.com/t/particle-scale-over-time/8811/2 "2020-02-26T20:29:40Z")
update function, yes 🙂 ---
**Author:** ![Deltakosh](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/deltakosh/32/26635_2.png) [@Deltakosh](https://forum.babylonjs.com/u/Deltakosh)\ **Post date:** [February 26, 2020, 8:44pm UTC](https://forum.babylonjs.com/t/particle-scale-over-time/8811/3 "2020-02-26T20:44:54Z")
You also have that: [Particles - Babylon.js Documentation](https://doc.babylonjs.com/babylon101/particles#size) ---
**Author:** ![tkmoney](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/tkmoney/32/4643_2.png) [@tkmoney](https://forum.babylonjs.com/u/tkmoney)\ **Post date:** [February 26, 2020, 10:29pm UTC](https://forum.babylonjs.com/t/particle-scale-over-time/8811/4 "2020-02-26T22:29:18Z")
aw ha, size gradient was what I was looking for. Thanks!