# How To setMask dynamically

**URL:** <https://forum.kirupa.com/t/how-to-setmask-dynamically/255393>\
**Category:** flash\
**Created:** [March 21, 2008, 10:03pm UTC](https://forum.kirupa.com/t/how-to-setmask-dynamically/255393 "2008-03-21T22:03:24Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![janjan32](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/janjan32/32/2578_2.png) [@janjan32](https://forum.kirupa.com/u/janjan32)\
**Post date:** [March 21, 2008, 10:03pm UTC](https://forum.kirupa.com/t/how-to-setmask-dynamically/255393/1 "2008-03-21T22:03:24Z")

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I’m not sure why I avoided learning this, but it was one of the easiest things I think I’ve done. I made a little sample file for anyone trying to set a mask dynamically.