# Class within a class

**URL:** <https://forum.kirupa.com/t/class-within-a-class/320639>\
**Category:** Uncategorized\
**Created:** [March 29, 2011, 7:31am UTC](https://forum.kirupa.com/t/class-within-a-class/320639 "2011-03-29T07:31:07Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![radi](https://avatars.discourse-cdn.com/v4/letter/r/4491bb/32.png) [@radi](https://forum.kirupa.com/u/radi)\
**Post date:** [March 29, 2011, 7:31am UTC](https://forum.kirupa.com/t/class-within-a-class/320639/1 "2011-03-29T07:31:07Z")

</div>

public var blob:Blob = new Blob()  
addChild.child(blob)

i get this error  
Call to a possibly undefined method child through a reference with static type Function.