def METHOD_NAME(self):
    poly_layout = pa(
        hv.Polygons([]).opts(alpha=0.5),
        show_vertices=True,
        annotations=['index'],
        vertex_style={'nonselection_alpha': 1, 'size': 10, 'color': 'blue'},
        table_opts={'editable': False, 'width': 300}
    )
    poly_scatter, anno_table = hv.annotate.compose(self.scatter, poly_layout)
    return poly_scatter, anno_table