---
title: "ISNULL()"
slug: "isnull"
updated: 2025-10-14T16:28:27Z
published: 2025-11-19T15:55:50Z
canonical: "support.tulip.co/isnull"
---

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

# ISNULL()

## Description

Returns true if the argument is null, otherwise false

## Available In

- **Apps**
- **Automations**
- **Analysis**

## Syntax

ISNULL(type: any) => boolean

## Example

ISNULL("Hello World") = false isnull(@Variable.123) = true