> ## Documentation Index
> Fetch the complete documentation index at: https://notevil.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# CAPLfunctionIso11783SetEnvInt

# Iso11783SetEnvInt

[Valid for](../../../../Shared/FeatureAvailability.md): CANoe DE • CANoe4SW DE

## Function Syntax

```
dword Iso11783SetEnvInt( char envVar[], dword index, dword value );
```

## Description

This function sets the value of an environment variable.

## Parameters

* **envVar**: Name of the environment variable
* **index**: Index of the environment variable
* **value**: New value

## Return Values

0 on success or [error code](../CAPLfunctionsISONLErrorCodes.md)

## Example

```plaintext theme={null}
Iso11783SetEnvInt( "EvFrictionForce", 1, 3 );
```