code: public String getLabel() throws ProposalException {
  
          Lifecycle.QueryInstalledChaincodeResult queryInstalledChaincodeResult = parsePayload();
  
          if (queryInstalledChaincodeResult == null) {
              return null;
          }
          return queryInstalledChaincodeResult.getLabel();
  
      }
docs: The lable used by this chaincode. This is defined by the installed chaincode. See label parameter in {@link LifecycleChaincodePackage#fromSource(String, Path, TransactionRequest.Type, String, Path)}
  @return the label
  @throws ProposalException