code: public GVRSceneObject getSceneObjectByName(final String name) {
          if (null == name || name.isEmpty()) {
              return null;
          }
          return mSceneRoot.getSceneObjectByName(name);
      }
docs: Performs case-sensitive depth-first search
  
  @param name
  @return first match in the graph; null if nothing was found or name was null/empty;
  in case there might be multiple matches consider using getSceneObjectsByName