Look up a Resource ID by alias, owned Resource ID, or share activation code under the
        client specified in <ClientID>.

        Args:
            auth: <cik>
            type: Type of resource to lookup (alias | owner | shared)
            mapping: Based on resource type defined above.

def lookup(self, auth, type, mapping, defer=False):
        """ Look up a Resource ID by alias, owned Resource ID, or share activation code under the
        client specified in <ClientID>.

        Args:
            auth: <cik>
            type: Type of resource to lookup (alias | owner | shared)
            mapping: Based on resource type defined above.
        """
        return self._call('lookup', auth, [type, mapping], defer)