edit:
    menu:
        display:            [online_codes, online_files]
        fields:
            online_codes:   {name: "Kody online", i18n: appOnlineCodesBackend,  action: "@appOnlineCodesBackend?action=list&product_id=%%id%%"}
            online_files:   {name: "Pliki online", i18n: appOnlineCodesBackend,  action: "@appOnlineFilesBackend?action=list&product_id=%%id%%"}