---
title: "Develop function class - Master Data Management Studio"
slug: "develop-function-class-dynamic-field-security"
tags: ["Task topic"]
status: "update"
updated: 2026-10-05T12:25:35Z
published: 2026-10-05T12:25:35Z
canonical: "docs.staedean.com/develop-function-class-dynamic-field-security"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.staedean.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Develop function class - Master Data Management Studio

You can use a function to fill the value of a condition on a query range.

For a function, a class is required. To develop this class, extend the **DQFFunctionRun** class.

**Prerequisite**: Develop the extension of the **DQFFunctionRun** class in the AOT before you start the steps.

The steps in this topic are to have the developed function class uploaded as function.

### Steps

1. Go to **Dynamic field security management (Preview)** > **Setup** > **Dynamic query framework** > **Functions**.
2. You can have all function classes that extend the **DQFFunctionRun** class shown and available for selection in .

Click **Refresh**.

## Related

- [Set up dynamic queries - Master Data Management Studio](/set-up-dynamic-queries-dynamic-field-security.md)