# getManifestUrl method

String getManifestUrl()

Gets the the URL to the manifest.

return The URL to the manifest. throws BiosealException An error has occurred during Bioseal Library execution.

## Implementation

    String getManifestUrl() {
      Pointer<Char> pManifestUrl = nullptr;
      Pointer<Int> pManifestUrlSize = calloc.allocate(1);
      pManifestUrlSize[0] = -1;
      try {
        var err = biosealSDK.id3Bioseal_GetManifestUrl(_pHandle.value, pManifestUrl, pManifestUrlSize);
        if (err == BiosealError.insufficientBuffer.value) {
          pManifestUrl = calloc.allocate(pManifestUrlSize.value);
          err = biosealSDK.id3Bioseal_GetManifestUrl(_pHandle.value, pManifestUrl, pManifestUrlSize);
          if (err != BiosealError.success.value) {
            throw BiosealException(err);
          }
        }
        final vManifestUrl = utf8.decode(Uint8List.fromList(pManifestUrl.cast<Uint8>().asTypedList(pManifestUrlSize.value)));
        return vManifestUrl;
      } finally {
        calloc.free(pManifestUrl);
        calloc.free(pManifestUrlSize);
      }
    }