---
title: "How to condition on a field being blank or empty"
canonical: "https://support.appfire.com/space/CSOT/68747857/How%20to%20condition%20on%20a%20field%20being%20blank%20or%20empty"
format: markdown
---
### Description

A common scenario is to do something if a field is not set or empty.

### Steps

Add a condition with the following characteristics:

| Value | Pattern | Exact | Literal | Negative | Notes |
| --- | --- | --- | --- | --- | --- |
| **%variable%** | **\S+** | either | :cross_mark: | :check_mark: | - **\S+** means to look for at least 1 (that is what + means) non-whitespace character
- Use **Negative** to reverse the matching on a non-blank character |