---
title: "system.gui.confirm"
description: "Displays a confirmation dialog box to the user with Yes and No options, and a custom message."
---

# system.gui.confirm

> Displays a confirmation dialog box to the user with Yes and No options, and a custom message.

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

## Description
Displays a confirmation dialog box to the user with "Yes" and "No" options, and a custom message.

## 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.confirm(message, [title], [allowCancel])`

### Parameters
Type | Parameter | Description 
------- | ------- | ------
String| `message` | The message to show in the confirmation dialog.
String| `title` | The title for the confirmation dialog. [optional]
Boolean| `allowCancel` | Show a cancel button in the dialog. [optional]

### Returns
**Boolean** - True if the user selected "Yes"; false if the user selected "No". None if the user selected "Cancel".
    
### Scope
Vision Client

## Code Examples
```python title="Example #1"
# By using the confirm function in an if statement, we can let the user confirm an action. 
# In this case, we shut down the plant if the user confirms it, otherwise, we don't do anything.
  
if system.gui.confirm("Are you sure you want to shutdown the plant?", "Really Shutdown?"):
   system.db.runUpdateQuery("UPDATE ControlTable SET Shutdown=1")
```