def METHOD_NAME(self, fields=None, **kwargs):
    """
    :param fields: dict where the keys are field names that should
        be returned, and values should be set to True (by default,
        all fields are returned)
    :type fields: dict
    :returns: Description of the analysis
    :rtype: dict
    Returns a hash with key-value pairs containing information
    about the analysis
    """
    describe_input = {}
    if fields is not None:
        describe_input['fields'] = fields
    self._desc = dxpy.api.analysis_describe(self._dxid, describe_input, **kwargs)
    return self._desc