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

# system.vision.getClientId

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

:::info Backwards Compatibility
This function replaces [system.util.getClientId](versioned_docs/version-8.1/appendix/scripting-functions/system-util/system-util-getClientId.md). Any scripts containing Vision Client scoped functions that were replaced with system.vision syntax will still work to maintain backwards compatibility.
:::

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.vision.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.vision.getClientId()
print id
```