def add(self, capability):
        capability = ircutils.toLower(capability)
        assert capability != '-owner', '"-owner" disallowed.'
        self.__parent.add(capability)
Return PK value from a model object.
dataset/ETHPy150Open ProgVal/Limnoria/src/ircdb.py/UserCapabilitySet.add--crossover with--dataset/ETHPy150Open flask-admin/flask-admin/flask_admin/model/base.py/BaseModelView.get_pk_value