# How to overload a native class?

**URL:** <https://forum.kirupa.com/t/how-to-overload-a-native-class/300681>\
**Category:** flash\
**Created:** [November 25, 2009, 1:32pm UTC](https://forum.kirupa.com/t/how-to-overload-a-native-class/300681 "2009-11-25T13:32:53Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![marceloreborn](https://avatars.discourse-cdn.com/v4/letter/m/278dde/32.png) [@marceloreborn](https://forum.kirupa.com/u/marceloreborn)\
**Post date:** [November 25, 2009, 1:32pm UTC](https://forum.kirupa.com/t/how-to-overload-a-native-class/300681/1 "2009-11-25T13:32:53Z")

</div>

I’m not so confident in OOP, and I don’t know if “overload” it’s the right term.

I want to add a method to the MovieClip Class, for example, how can I do that?

```auto

myMovieClip.myFunction("lol");

```

Thanks in advance.