---
title: Conditional variable
description: Conditional variable
---
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# Conditional variable
# **Introduction**
This guide explains how to create a conditional variable in Dotidot, which works like a logic funnel. It’s useful, for example, for assigning custom labels or performing conditional calculations.
We’ve prepared a webinar where our marketing specialist Marek explains how to work with several variable types in Dotidot, including **Conditional**, **Array**, **Remapping**, and **Countdown** variables. This in-depth session is packed with real examples and tips. You can watch the full webinar [here](https://vimeo.com/1080160338).
Below, we’ve selected the part of the webinar that focuses on **conditional variable**:
If you’d rather read through the content, we’ve put together this written guide summarizing everything covered in the webinar.
## **What this guide will teach**
You’ll learn how to:
• Create performance-based labels
• Set up margin groups
• Apply different VAT calculations based on product category
## **Who it’s for**
Conditional variables are useful for users who want to create dynamic logic using variables to customize labeling or pricing calculations.
# **Steps**
1. **Open the Variables tab**
In your data source, navigate to the Variables section and select **"+"** button. Then select **Conditional Variable** from the list.
****
2. **Define the first condition**
Add a condition called Top
Set the logic (e.g. ROAS \> 500 for the last 160 days)
3. **Add a second condition**
Name: Mid
Condition: ROAS \> 400
4. **Set a default name for remaining items**
Name: Low
Add no condition
5. **To create margin-based groups, just create new conditional variable and name it Margin label.**
6. **Add first condition**
Name: High
Condition 1: Margin % \> 50 → label as High
7. **Set a default name for remaining items**
Name: Low
Add no condition
8. **You can also set up conditional calculation (e.g., VAT). Create new conditional variable and name it Price with VAT**
9. **Change variable type to Conditional Number
**
10. **Insert formula: Price \* 1.21 and Add condition: Main Category = Earrings
**
11. **Add fallback condition: Price \* 1.1 for other categories
**
# **Expected result**
## You should see:
- Your products dynamically labeled as Top, Mid, or Low based on ROAS
- Margin groups displayed according to percentage thresholds
- VAT correctly calculated and applied to specified categories
## To verify:
- Check the variable preview to see if labels or numbers are assigned correctly
- Review product-specific conditions to ensure logic was applied properly
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