def describe(self, fields=None, **kwargs):
        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
:param fields: dict where the keys are field names that should
dataset/ETHPy150Open dnanexus/dx-toolkit/src/python/dxpy/bindings/dxanalysis.py/DXAnalysis.describe