# Installing an as3 file from an mxp

**URL:** <https://forum.kirupa.com/t/installing-an-as3-file-from-an-mxp/263544>\
**Category:** flash\
**Created:** [June 17, 2008, 1:05am UTC](https://forum.kirupa.com/t/installing-an-as3-file-from-an-mxp/263544 "2008-06-17T01:05:53Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![flextnet](https://avatars.discourse-cdn.com/v4/letter/f/7ba0ec/32.png) [@flextnet](https://forum.kirupa.com/u/flextnet)\
**Post date:** [June 17, 2008, 1:05am UTC](https://forum.kirupa.com/t/installing-an-as3-file-from-an-mxp/263544/1 "2008-06-17T01:05:53Z")

</div>

Hi…

I’ve been creating components for awhile in as2- I’ve also been creating mxi files (which become mxp files), that tell flash where to place destination files during the installation.

This all still works in CS3, except that if I want to install an as3 class file on the user’s system, there is no way that I know of to specify in the mxi file to drop the class in the standard as3 classpath.

So in as2, I could just use the ‘$flash’ directive telling the mxp to put files in the configuration folder:

```auto
<file name="Classes/flextnet/IK/ChainTween.as" destination="$flash/Classes/flextnet/IK/" />

```

But there doesn’t seem to be any similar directive to place an AS3 file … ?

If not it seems the user (person installing the mxp) would have to set up their own classpath, which is not a great solution. Does anyone know the correct way to handle this latest curveball Adobe has thrown at us? :sen:

rich