ArcGIS Pro SDK write in raster

await QueuedTask.Run(() => {
      string outputFolderName = "folderName";
      string rasterName = "name.tiff";
      string rasterFormat = "TIFF";

      Raster raster = currentRasterLayer.GetRaster();

      //create output directory and a new datastore
      string outputFolder = Path.Combine(Project.Current.HomeFolderPath, ouputFolderName);
      Directory.CreateDirectory(outputFolder);
      FileSystemConnectionPath outputConnectionPath = new FileSystemConnectionPath(
            new System.Uri(outputFolder), FileSystemDatastoreType.Raster);
      FileSystemDatastore outputDataStore = new FileSystemDatastore(outputConnectionPath);

      //create a copy of the opened raster
      RasterDataset resultRasterDataset = raster.SaveAs(rasterName, outputDataStore, rasterFormat);
      Raster resultRaster = resultRasterDataset.CreateFullRaster();
      if (!resultRaster.CanEdit()) {
            MessageBox.Show("Cannot edit raster");
            return;
      }

      PixelBlock pixelBlock = resultRaster.CreatePixelBlock(resultRaster.GetWidth(), resultRaster.GetHeight());
      pixelBlock.Clear(0);
      resultRaster.Write(0, 0, pixelBlock);
      resultRaster.Refresh();
});