# getDocumentIssuingCountry method

String getDocumentIssuingCountry()

Gets the the identifier of the country issuing the document. For AFNOR XP Z42-101 only.

return The identifier of the country issuing the document. For AFNOR XP Z42-101 only. throws BiosealException An error has occurred during Bioseal Library execution.

## Implementation

    String getDocumentIssuingCountry() {
      Pointer<Char> pDocumentIssuingCountry = nullptr;
      Pointer<Int> pDocumentIssuingCountrySize = calloc.allocate(1);
      pDocumentIssuingCountrySize[0] = -1;
      try {
        var err = biosealSDK.id3Bioseal_GetDocumentIssuingCountry(_pHandle.value, pDocumentIssuingCountry, pDocumentIssuingCountrySize);
        if (err == BiosealError.insufficientBuffer.value) {
          pDocumentIssuingCountry = calloc.allocate(pDocumentIssuingCountrySize.value);
          err = biosealSDK.id3Bioseal_GetDocumentIssuingCountry(_pHandle.value, pDocumentIssuingCountry, pDocumentIssuingCountrySize);
          if (err != BiosealError.success.value) {
            throw BiosealException(err);
          }
        }
        final vDocumentIssuingCountry = utf8.decode(Uint8List.fromList(pDocumentIssuingCountry.cast<Uint8>().asTypedList(pDocumentIssuingCountrySize.value)));
        return vDocumentIssuingCountry;
      } finally {
        calloc.free(pDocumentIssuingCountry);
        calloc.free(pDocumentIssuingCountrySize);
      }
    }