def add_subcounter(self, color, count=<NUM_LIT:0>, all_fields=False):
subcounter = SubCounter(self, color=color, count=count, all_fields=all_fields)<EOL>self._subcounters.append(subcounter)<EOL>return subcounter<EOL>
Args:
    color(str): Series color as a string or integer see :ref:`Series Color <series_color>`
    count(int): Initial count (Default: 0)
    all_fields(bool): Populate ``rate`` and ``eta`` formatting fields (Default: False)

Returns:
    :py:class:`SubCounter`: Subcounter instance

Add a subcounter for multicolored progress bars