# Unique Identifier

**URL:** https://forum.kirupa.com/t/unique-identifier/30328
**Category:** flash
**Created:** [September 7, 2003, 7:24am UTC](https://forum.kirupa.com/t/unique-identifier/30328 "2003-09-07T07:24:26Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Carixpig](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/carixpig/32/304_2.png) [@Carixpig](https://forum.kirupa.com/u/Carixpig)
#### Post date: [September 7, 2003, 7:24am UTC](https://forum.kirupa.com/t/unique-identifier/30328/1 "2003-09-07T07:24:26Z")

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Can someone please explain how to apply this script to my movie…Kirupa says it makes sure your visitir doesn’t load a cached version of your movie. Where does it go? What is the math method for?

[AS]  
myIdentifier=Math.round(Math.random()\*10000);  
loadMovie(“myAnim.swf?uniq=”+myIdentifier,1);  
[AS]