---
title: "system.util.getClientId"
description: "Returns a hex-string that represents a number unique to the running client's session."
---

# system.util.getClientId

> Returns a hex-string that represents a number unique to the running client's session.

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

## Description
Returns a hex-string that represents a number unique to the running client's session. You are guaranteed that this number is unique between all running clients.

## 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.util.getClientId()`

### Parameters
Nothing
### Returns
**String** - A special code representing the client's session in a unique way.
### Scope
Vision Client

## Code Examples
```python title="Example #1"
# This code prints the current client's id to the debug console.
id = system.util.getClientId()
print id
```