code: def lookup(self, auth, type, mapping, defer=False):
          
          return self._call('lookup', auth, [type, mapping], defer)
docs: 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.