# getLicenseName static method

String getLicenseName()

Retrieves the license name.

return The license name. throws FaceException An error has occurred during Face Library execution.

## Implementation

    static String getLicenseName() {
      Pointer<Char> pLicenseName = calloc.allocate(256);
      Pointer<Int> pLicenseNameSize = calloc.allocate(1);
      pLicenseNameSize[0] = 256;
      try {
        var err = faceSDK.id3FaceLicense_GetLicenseName(pLicenseName, pLicenseNameSize);
        if (err == FaceError.insufficientBuffer.value) {
          calloc.free(pLicenseName);
          pLicenseName = calloc.allocate(pLicenseNameSize.value);
          err = faceSDK.id3FaceLicense_GetLicenseName(pLicenseName, pLicenseNameSize);
          if (err != FaceError.success.value) {
            throw FaceException(err);
          }
        }
        final vLicenseName = utf8.decode(Uint8List.fromList(pLicenseName.cast<Uint8>().asTypedList(pLicenseNameSize.value)));
        return vLicenseName;
      } finally {
        calloc.free(pLicenseName);
        calloc.free(pLicenseNameSize);
      }
    }