def METHOD_NAME(name, left, right, bgr_width=3, address=''):
    """create an ROI, a named portion of an MCA spectra defined by index
     Parameters:
     ------------
      name:     roi name
      left:     left index
      right:    right index
      bgr_width (optional)  background width (default=3)
      address   (optional)  address (PV name) for ROI
     Returns:
     ----------
      an ROI object which has properties
          name, left, right, center, width, bgr_width
      and methods
          set_bounds(left, right)
          get_counts(data, net=False)
    """
    return ROI(name=name, left=left, right=right,
               bgr_width=bgr_width, address=address)