@property
    def outputExpression(self):
        try:
            return self._outputExpression
        except __HOLE__:
            outputElt = XmlUtil.child(self, XbrlConst.cfi, "output")
            self._outputExpression = XmlUtil.text(outputElt) if outputElt is not None else None
            return self._outputExpression
dataset/ETHPy150Open Arelle/Arelle/arelle/ModelFormulaObject.py/ModelCustomFunctionImplementation.outputExpression