def METHOD_NAME(self) -> pn.Column:
    col = pn.Column(sizing_mode="stretch_width")
    ca = col.append; cext = col.extend
    filepath = self.outfile.filepath
    with open(filepath, "rt") as fh:
        text = fh.read()
    ace = pnw.Ace(value=text, language='text', readonly=True,
                  sizing_mode='stretch_width', height=1200)
                  #sizing_mode='stretch_width', width=900)
    cext([f"## Output <small>{filepath}</small>", ace, pn.layout.Divider()])
    return col