@staticmethod
def _addCustomerTagOption(parser):
    """Adds the --customerTag option to the given parser
        The --customerTag is used by multiple commands so this common function
        can be used to add that command line option"""
    parser.add_argument('--customerTag', '-t', action='append', help=
        """Narrow down the matching resources by their tags. Multiple
            customer tags can be passed. Resources that contain all tags will
            be returned."""
        )
