# Flex for ActionScript 3.0 problem

**URL:** https://forum.kirupa.com/t/flex-for-actionscript-3-0-problem/294550
**Category:** flash
**Created:** [August 16, 2009, 11:38am UTC](https://forum.kirupa.com/t/flex-for-actionscript-3-0-problem/294550 "2009-08-16T11:38:24Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![renton79](https://avatars.discourse-cdn.com/v4/letter/r/97f17d/32.png) [@renton79](https://forum.kirupa.com/u/renton79)
#### Post date: [August 16, 2009, 11:38am UTC](https://forum.kirupa.com/t/flex-for-actionscript-3-0-problem/294550/1 "2009-08-16T11:38:24Z")

</div>

Sorry for this stupid question but I have a little problem I have installed yesterday Flex Builder 3 trial and when working in AS project, I couldn’t use such simple import as flash.geom.Matrix3D (Matrix is in there), dos Flex Builder 3 not have full as3 in it?