code: def _get_id_from_name(self, name):
          
          _filter = {
              'placementGroups': {
                  'name': {'operation': name}
              }
          }
          mask = "mask[id, name]"
          results = self.client.call('Account', 'getPlacementGroups', filter=_filter, mask=mask)
          return [result['id'] for result in results]
docs: List placement group ids which match the given name.