---
title: "system.nav.goBack"
description: "When using the Typical Navigation Strategy, this function will navigate back to the previous main screen window."
---

# system.nav.goBack

> When using the Typical Navigation Strategy, this function will navigate back to the previous main screen window.

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

## Description
When using the [Typical Navigation Strategy](ignition-modules/vision/vision-windows/navigation-strategies-in-vision/navigation-strategies-in-vision.md), this function will navigate back to the previous main screen window.

## 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.nav.goBack()`

### Parameters
Nothing

### Returns
**Window** - A reference to window that was navigated to. Refer to the list of [window](appendix\components\vision-components\vision-window-object\vision-window-object.md) objects.

### Scope
Vision Client

## Code Examples
```python title="Example #1"
# This code would go in a button to move to the previous screen.
system.nav.goBack()
```