> ## 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.

# CAPLfunctionSCCSetGenChallenge

[Open topic with navigation](../../../../../CANoeDEFamily.htm#Topics/CAPLFunctions/SmartCharging/Functions/CAPLfunctionSCCSetGenChallenge.md)

# SCC\_SetGenChallenge

[CAPL Functions](../../CAPLfunctions.md) » [Smart Charging](../CAPLFunctionsSmartChargingOverview.md) » [SCC Modeling Libraries (Simulation Setup)](../CAPLFunctionsSmartChargingOverview.md#BMNodeayerDLL) » [V2G Simulation Data](../CAPLFunctionsSmartChargingOverview.md#V2GSimDataWrite) » [EVSE Functions](../CAPLFunctionsSmartChargingOverview.md#V2GSimDataWrite) » SCC\_SetGenChallenge

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

## Function Syntax

```
long SCC_SetGenChallenge ( byte GenChallenge[] )
```

## Description

Sets the challenge for the **PaymentDetailsRes** message, which is randomly generated otherwise.

## Parameters

* **GenChallenge**: Value to be set. Array length must be 16 byte.

## Return Values

* **0**: Not successful
* **1**: Successful

## Example

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