---
title: "PSR-14 events in EXT:lowlevel"
manual: "Low Level"
version: "13.4"
permalink: "https://docs.typo3.org/permalink/typo3/cms-lowlevel:psr14events@13.4"
source: "Events/Index.rst"
rendered: "2026-10-03T08:24:29+00:00"
---

# PSR-14 events in EXT:lowlevel {#psr14events}

The following PSR-14 event is available to extend the functionality:

## ModifyBlindedConfigurationOptionsEvent {#psr14events-modifyblindedconfigurationoptionsevent}

The event allows to blind (hide) any configuration options. Usually such options
are passwords or other sensitive information.
[More details](https://docs.typo3.org/m/typo3/reference-coreapi/13.4/en-us/ApiOverview/Events/Events/Lowlevel/ModifyBlindedConfigurationOptionsEvent.html#ModifyBlindedConfigurationOptionsEvent)