---
title: "How to modify existing User-defined filters?"
description: "ScheduleReader^™ allows you to modify existing custom filters imported with the Layout (PLF) file and User-defined filters which are globally applicable for any project file. To change the filter criteria for a given User-defined filter, do the following steps: 1.  Select…"
url: "https://schedulereader.com/help-articles/how-to-modify-existing-user-defined-filters-schedule-reader/"
updated: "2026-02-11"
category: Filters
---

# How to modify existing User-defined filters?

ScheduleReader^™ allows you to modify existing custom filters imported with the Layout (PLF) file and User-defined filters which are globally applicable for any project file.

To change the filter criteria for a given User-defined filter, do the following steps:

1.  Select the desired filter from the Filters dialog;
2.  Click on the **Modify** button;
3.  Change filter criteria or update with a new condition;
4.  Click **OK** to save the changes.

[How to create and modify User defined Filters in ScheduleReader](https://www.youtube.com/embed/sBuTc-bWQ9o?feature=oembed)