def process_export_list_job(list, report_email = nil, postback_url = nil, options = {})
      data = options
      data['list'] = list
      process_job(:export_list_data, data, report_email, postback_url)
    end
def process_export_list_job(list, report_email = nil, postback_url = nil, options = {})
      data = options
      data['list'] = list
      process_job(:export_list_data, data, report_email, postback_url)
    end
implementation for export list job