def _save_settings(self):
        """save settings inside objects pivotData attribute"""
        # data to be save :
        # -----------------
        # futurePivot node

        # create attributes
        self._create_data_attribute()

        # connect futurePivot node
        pm.connectAttr(
            "%s%s" % (self._futurePivot.name(), ".message"),
            self._object.attr("pivotData.futurePivot"),
            f=True,
        )