# Novice issue: Referencing class variables for a movieclip

**URL:** https://forum.kirupa.com/t/novice-issue-referencing-class-variables-for-a-movieclip/326294
**Category:** flash
**Created:** [December 5, 2011, 4:48pm UTC](https://forum.kirupa.com/t/novice-issue-referencing-class-variables-for-a-movieclip/326294 "2011-12-05T16:48:24Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Skribble](https://avatars.discourse-cdn.com/v4/letter/s/b487fb/32.png) [@Skribble](https://forum.kirupa.com/u/Skribble)
#### Post date: [December 5, 2011, 4:48pm UTC](https://forum.kirupa.com/t/novice-issue-referencing-class-variables-for-a-movieclip/326294/1 "2011-12-05T16:48:24Z")

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Hey guys. It’s been a while since I’ve used Flash and I am still trying to wrap my head around Actionscript 3.0 and the way it works; I am so used to the way AS2 works.

I have provided the code below, it’s very simple, so you might be able to skip this explanation and just take a look at the error and the code:

- I have made a movieclip called **HeroMC** in my FLA.

- The **HeroMC** movieclip has the AS Class linkage of exactly the same name, “ **HeroMC** ”.

- I have made an actionscript class file, **HeroMC.as** , to house specific variables for my hero; such as Name, Age, xPos and yPos.

- I have also made an actionscript class file, **Main.as** , the document class for this FLA.

- In **Main.as** I instantiate **HeroMC** using the variable **hero** , and then run the function **addHero()** from my constructor.

- **addHero()** is a simple stage.addChild(hero);

This all works perfectly fine and it adds my hero to the stage. However, the problem arises whenever I try to reference one of the variables from HeroMC.as. I am met with this error - I will use the variable xPos as an example.

**Here is the error:**

> 1119: Access of possibly undefined property xPos through a reference with static type HeroMC.

Here is the code for **Main.as:**

```auto
package {
    import flash.display.*;
    import flash.events.*;
    
    public class Main extends MovieClip{
            
        // Create the hero
        public var hero:HeroMC = new HeroMC();

        //Constructor
        public function Main() 
        {
            //Add the hero
            addHero();
        }
        
        //Adds the hero to the game
        public function addHero():void
        {
            // Add hero object to stage
            stage.addChild(hero);
            
            hero.x = hero.xPos;
            hero.y = hero.yPos;
        }

    }
}

```

Here is the code for **HeroMC.as** :

```auto
package {    
    import flash.display.MovieClip;
    import flash.events.Event;
    
    public class HeroMC extends MovieClip {

        public function HeroMC() {
            // Hero Name
            var HeroName = "Hero";
            // Hero Age
            var HeroAge = 20;
            // X and Y position
            var xPos = 300;
            var yPos = 300;
        }

    }
}

```

It is obvious this is a very simple problem, but I have searched Google, Kirupa and Flashkit for an answer, but none of the threads I find discuss my specific circumstances and I am unable to find the specific information I need to. If you could help me out it would be most appreciated. If you require any more information please let me know and I will do so.

Thanks in advance for taking the time to look at my issue.

Brendan