All arguments that have a default value must all be placed last in the order of arguments : function parameters « Function « Flash / Flex / ActionScript
All arguments that have a default value must all be placed last in the order of arguments
package{
import flash.display.Sprite;
publicclass Main extends Sprite{
public function Main(){
}
function storeAddress(name:String, email:String, zip:String = null){
}
}