ExtractedData[] data = new ExtractedData[filePaths.Length];

// Creation of the extractor object
Extractor extractor = new Extractor();
ExtractionOptions extractionOptions = new ExtractionOptions();
extractionOptions.ImageIndexingOptions.EnabledForSeparateImages = true;
extractionOptions.ImageIndexingOptions.EnabledForEmbeddedImages = true;
extractionOptions.ImageIndexingOptions.EnabledForContainerItemImages = true;
extractionOptions.OcrIndexingOptions.EnabledForSeparateImages = true;
extractionOptions.OcrIndexingOptions.EnabledForEmbeddedImages = true;
extractionOptions.OcrIndexingOptions.EnabledForContainerItemImages = true;
extractionOptions.UseRawTextExtraction = false;

for (int i = 0; i < filePaths.Length; i++)
{
    // Creation of the document object
    string filePath = filePaths[i];
    DateTime modificationDate = File.GetLastWriteTime(filePath);
    string fileName = Path.GetFileName(filePath);
    string extension = Path.GetExtension(filePath);
    Stream stream = File.OpenRead(filePath);
    Document document = Document.CreateFromStream(
        fileName,
        modificationDate,
        extension,
        stream);

    // Extraction of the data from the document
    ExtractedData extractedData = extractor.Extract(document, extractionOptions);
    data[i] = extractedData;

    stream.Close();
}

// Indexing of the extracted data
Indexer indexer = node.Indexer;
IndexingOptions options = new IndexingOptions();
options.IsAsync = false;
indexer.Add(data, options);