# Masking MCs dinamically

**URL:** <https://forum.kirupa.com/t/masking-mcs-dinamically/89561>\
**Category:** flash\
**Created:** [May 9, 2005, 7:20pm UTC](https://forum.kirupa.com/t/masking-mcs-dinamically/89561 "2005-05-09T19:20:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![borispc](https://avatars.discourse-cdn.com/v4/letter/b/ac8455/32.png) [@borispc](https://forum.kirupa.com/u/borispc)\
**Post date:** [May 9, 2005, 7:20pm UTC](https://forum.kirupa.com/t/masking-mcs-dinamically/89561/1 "2005-05-09T19:20:25Z")

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Jello!

How do you turn a dinamically attached MC into a mask?  
I know it works if I actually draw the mask with AS, but is it possible using a library MC (animated)?.  
Thank you!