code: function () {
  
  			var iFoundAnnotations = 0;
  			var iMaxAnnotationLength = 0;
  			jQuery.each(that.oTreeProperties, function (sPropName, sPropValue) {
  				iMaxAnnotationLength++;
  
  				if (sPropValue) {
  					iFoundAnnotations += 1;
  				}
  			});
  
  			if (iFoundAnnotations === iMaxAnnotationLength){
  				return true;
  			} else if (iFoundAnnotations > 0 && iFoundAnnotations < iMaxAnnotationLength) {
  				Log.warning("Incomplete hierarchy tree annotations. Please check your service metadata definition!");
  			}
  			//if no annotations where found -> we are in the navigtion property mode
  			return false;
  		}
docs: Checks if no tree annotations are missing true: everythings fine false: we can't proceed