---
title: "Develop function class - Data Quality Studio"
slug: "develop-function-class-general"
tags: ["Task topic"]
status: "update"
updated: 2026-10-05T12:25:53Z
published: 2026-10-05T12:25:53Z
canonical: "docs.staedean.com/develop-function-class-general"
---

> ## 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 - Data Quality 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.

> [!NOTE]
> Note
> 
> The steps are to have the developed function class uploaded as function.

### Steps

1. Click **Data quality management**.
2. Click **Functions**.
3. You can have all function classes that extend the **DQFFunctionRun** class shown and available for selection in **Data quality studio**.

Click **Refresh**.
4. Close the page.

## Related

- [Set up dynamic queries - Data Quality Studio](/set-up-dynamic-queries-general.md)