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    <p>The error your getting really says it all. Although <code>_myVar</code> is defined in your <code>Main</code> class <code>public var _myVar:String;</code>, it isn't defined in your <code>Emailtofriend</code> class. If you want access to <code>_myVar</code> you need to do one of the following:</p> <p>Parse a reference of your <code>Main</code> object(using <code>this</code>) to your <code>EmailToFriend</code> class:</p> <p><strong>Main.as(document class)</strong>:</p> <pre><code>package { import flash.display.Sprite; import flash.events.Event; public class Main extends Sprite { public var _myVar:String; public function Main():void { if (stage) init(); else addEventListener(Event.ADDED_TO_STAGE, init); }// end function public function create():void { _myVar = "hello"; }// end function private function init(e:Event = null):void { removeEventListener(Event.ADDED_TO_STAGE, init); create(); var emailToFriend:EmailToFriend = new EmailToFriend(this); emailToFriend.getVar(); }// end function }// end class }// end package internal class EmailToFriend { private var _main:Main; public function EmailToFriend(main:Main) { _main = main; }// end function public function getVar():void { trace(_main._myVar); }// end function }// end class </code></pre> <p>Or to make <code>_myVar</code> a public static property of <code>Main</code> and access it via <code>Main._myVar</code>:</p> <p><strong>Main.as(document class)</strong>:</p> <pre><code>package { import flash.display.Sprite; import flash.events.Event; public class Main extends Sprite { public static var _myVar:String; public function Main():void { if (stage) init(); else addEventListener(Event.ADDED_TO_STAGE, init); }// end function public function create():void { _myVar = "hello"; }// end function private function init(e:Event = null):void { removeEventListener(Event.ADDED_TO_STAGE, init); create(); var emailToFriend:EmailToFriend = new EmailToFriend(); emailToFriend.getVar(); }// end function }// end class }// end package internal class EmailToFriend { public function EmailToFriend() {} public function getVar():void { trace(Main._myVar); }// end function }// end class </code></pre> <p>Also one small thing, when using underscores for class properties, you should only use them for private properties, not public. Well I say <strong>only</strong> but I really mean it's more common.</p> <p><strong>[UPDATE]</strong></p> <p>This is in response to your comment:</p> <p><strong>Main.as</strong>: </p> <pre><code>package { import EmailToFriend; import flash.display.Sprite; import flash.events.Event; public class Main extends Sprite { public static var _myVar:String; public function Main():void { if (stage) init(); else addEventListener(Event.ADDED_TO_STAGE, init); }// end function public function create():void { _myVar = "hello"; }// end function private function init(e:Event = null):void { removeEventListener(Event.ADDED_TO_STAGE, init); create(); var emailToFriend:EmailToFriend = new EmailToFriend(); emailToFriend.getVar(); }// end function }// end class }// end package </code></pre> <p><strong>EmailToFriend.as</strong>:</p> <pre><code>package { import Main; public class EmailToFriend { public function EmailToFriend() {} public function getVar():void { trace(Main._myVar); }// end function }// end class }// end package </code></pre>
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    1. COThanks for your help. I am assuming I need to put the internal class in my EmailtoFriend.as file? If so, I have done that and I am getting some errors: 1046: Type was not found or was not a compile-time constant: EmailToFriend. 1180: Call to a possibly undefined method EmailToFriend.
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    2. CO@Brandon did you import your `EmailToFriend` class into your `Main` class? also did you remember to change `internal` to `public`?
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    3. COYes, I have changed my EmailToFriend class to public, instead of internal and I also added "import EmailtoFriend;" underneath my other imports at the top of Main.as. I am getting the same 2 errors.
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