interface class constants

application/core/Callbacks/CallbackListener.php

@@ -4,10 +4,14 @@ namespace ManiaControl\Callbacks;
 
 /**
  * Interface for CallbackListener
- * 
+ *
  * @author steeffeen & kremsy
  */
 interface CallbackListener {
+	/**
+	 * Constants
+	 */
+	const CALLBACKLISTENER_INTERFACE = __CLASS__;
 }
 
 ?>