def METHOD_NAME(self):
    # TODO check values give by md2 it appears that  beamSizeXChanged beamSize
    self.beam_info_dict["size_x"] = 0.010  # in micro channel in MD2 doesn't work
    self.beam_info_dict["size_y"] = 0.005  #
    self.emit("beamInfoChanged", (self.beam_info_dict,))