---
title: "system.gui.messageBox"
description: "Displays an informational-style message popup box to the user."
---

# system.gui.messageBox

> Displays an informational-style message popup box to the user.

This function is used in **Python Scripting**.

## Description
## Client Permission Restrictions
This scripting function has no [Client Permission](../../../ignition-modules/vision/vision-project-properties/vision-project-properties.md#vision-permissions-properties) restrictions.

## Syntax
`system.gui.messageBox(message, title)`

### Parameters
Type | Parameter | Description 
------- | ------- | ------
String| `message` | The message to display. Will accept HTML formatting.
String| `title` | A title for the message box. [optional]

### Returns
Nothing

### Scope
Vision Client

## Code Examples
```python title="Example #1"
# Display the message Hello World! in a message box.
system.gui.messageBox("Hello World!")
```