def METHOD_NAME(root_path, session_id, parent_folder, xml_file_path, range_in, range_out, profile_desc):
    render_data = mltheadlessutils.mlt_env_init(root_path, parent_folder, session_id)
    global _render_thread
    _render_thread = MLTXMLHeadlessRunnerThread(render_data, xml_file_path, range_in, range_out, profile_desc)
    _render_thread.start()