---
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
## Client Permission Restrictions
This scripting function has no Client Permission restrictions.

## Syntax
`system.nav.goBack()`

### Parameters
Nothing

### Returns
**Window** - A reference to window that was navigated to. Refer to the list of window 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()
```