code: function addScene(sceneId, sceneName){
  
      if (!sceneId && !sceneName){
  
          logger.warn('SceneId or SceneName is required to starting a new scene session. Aborting');
          return;
          
      }
  
      // close any previous media
      if (mediaPlaying)
          closeMedia();
  
      currentSession.addScene(sceneId, sceneName);
  
  }
docs: Functions related to creating and deleting scene sessions and media sessions 
  create scene session
  @memberof DataManager
  @param {string} sceneId id of the new scene [optional - either this or sceneName]
  @param {string} sceneName name of the new scene [optional - either this or sceneId]