def selected_ids(self):
        """A list of IDs of the currently selected points.

        An empty list means all points are deselected, and None means default
        state (nothing selected or unselected).

        If the plot is not connected, returns None.
        """
        if not self.is_connected:
            return None

        return self._selected_ids
A list of IDs of the currently selected points.

        An empty list means all points are deselected, and None means default
        state (nothing selected or unselected).

        If the plot is not connected, returns None.
        
fiftyone/core/plots/base.py