---
title: "Data Editor Button for Overriding Default Values"
slug: "data-editor-button-for-overriding-default-values"
description: "This demo explains the data editor button available on overriding default values for variables."
tags: ["Test Data", "Test Modeller"]
updated: 2023-03-31T11:16:19Z
published: 2023-03-31T11:16:19Z
canonical: "knowledge.curiositysoftware.ie/data-editor-button-for-overriding-default-values"
---

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

# Data Editor Button for Overriding Default Values

This demo explains the data editor button available on overriding default values for Variables.

[Embedded content](https://www.youtube.com/embed/ZhXlnOtLQQA?&wmode=opaque&rel=0)

Open a model, then navigate to the **Test Data Variables menu** by hitting the **Variables button** in the top menu bar.

![](https://cdn.document360.io/77f722a6-2d0a-49fa-8074-572515a6c4b8/Images/Documentation/image-1680261059973.png)

Once you’ve opened the **Test Data Variables** menu, hit the **Add Variable button** in the top right corner as shown below:

![](https://cdn.document360.io/77f722a6-2d0a-49fa-8074-572515a6c4b8/Images/Documentation/image-1680261065085.png)

This will open the **Data Variable menu.** To add a data variable, you must input a **Variable Name** and set a **Default Value.**

![](https://cdn.document360.io/77f722a6-2d0a-49fa-8074-572515a6c4b8/Images/Documentation/image-1680261068611.png)

Next to the**Default Value**entry field, there is a **Data Editor button,**which you can use to override **Default Values.** By clicking this button, you will open the **Data Editor menu.**

![](https://cdn.document360.io/77f722a6-2d0a-49fa-8074-572515a6c4b8/Images/Documentation/image-1680261092891.png)

From the **Data Editor view,** you can apply a **Data Generation function** to the **Default Value.** Do this by selecting the **Function**you want to add, hitting the **Add Function Button** and then **Saving the Data Variable**as shown below:

![](https://cdn.document360.io/77f722a6-2d0a-49fa-8074-572515a6c4b8/Images/Documentation/image-1680261088627.png)

![](https://cdn.document360.io/77f722a6-2d0a-49fa-8074-572515a6c4b8/Images/Documentation/image-1680261098291.png)

![](https://cdn.document360.io/77f722a6-2d0a-49fa-8074-572515a6c4b8/Images/Documentation/image-1680261102988.png)

Test Data Variables are sets of data that can be attached to blocks in models. This data can be custom, synthetic, automated etc. Variables are basically assigned data values and rules to blocks, and this data is used when automation is run.

## Related

- [Exploring Test Data in Models](/test-data-in-models.md)
- [Quality Modeller](/get-started-with-test-modeller.md)
- [Enterprise Test Data 101](/enterprise-test-data-101.md)
- [Data Activities](/database-activity-tutorials.md)