code: def _new_chart_graphicFrame(self, rId, x, y, cx, cy):
          
          id_, name = self.shape_id, self.name
          return CT_GraphicalObjectFrame.new_chart_graphicFrame(
              id_, name, rId, x, y, cx, cy
          )
docs: Return a newly created `p:graphicFrame` element having the specified
          position and size and containing the chart identified by *rId*.