@RequestMapping(value = "/room-event-picture-list/{roomEventId}", method = RequestMethod.GET)
    @ResponseBody
    public CreativeMaterialListResponse roomEventPictureList(
            @PathVariable(value = "roomEventId") final String roomEventIdStr
    ) {
        return typedCreativeMaterialList(roomEventIdStr, CreativeMaterialType.PICTURE_TYPE_NAME);
    }