/**
  * Adds a begin conversation callback
  */
 public void IAddBeginConversationCallback(OnBeginConversationDelegate callback)
 {
     this.beginConversationCallbacks.Add(callback);
 }
 public static void AddBeginConversationCallback(OnBeginConversationDelegate callback)
 {
     GetInstance().IAddBeginConversationCallback(callback);
 }