docs: def reserveIdentifierResponse(self, pid, vendorSpecific=None):
          """CNCore.getLogRecords(session[, fromDate][, toDate][, event][, start][,
          count]) → Log https://releases.dataone.org/online/api-
          documentation-v2.0.1/apis/CN_APIs.html#CNCore.getLogRecords Implemented in
          d1_client.baseclient.py.
  
          CNCore.reserveIdentifier(session, pid) → Identifier
          https://releases.dataone.org/online/api-documentation-v2.0.1/apis/CN_APIs.html#CNCore.reserveIdentifier
  
          Args:
            pid:
            vendorSpecific:
  
          Returns:
  
          """
          mmp_dict = {'pid': pid}
          return self.POST(['reserve', pid], fields=mmp_dict, headers=vendorSpecific)