> ## 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.

# CAPLfunctionDiagvFlashActivateNetwork

# vFlashActivateNetwork

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

**Note**: With the following function(s) a CAPL program can use [vFlash](../../../CANoeCANalyzer/VTPPlatformManager/CANoePlugIN/CANoePlugInvFlashCompact.md) to program an ECU. vFlash has to be installed on the system running the RT kernel.

See also: [vFlash Automation (Sample Configuration)](../../../SampConf/Programming/CANoe/vFlashAutomation/vFLASHsampCN.md).

## Function Syntax

```plaintext theme={null}
void vFlashActivateNetwork();
```

## Description

Activates the FlexRay network management, if required.\
The next API call is only allowed after the CAPL callback `vFlashActivateNetworkCompleted` was called!

**Note**: This event-driven API is only needed outside of test modules or test units.

## Parameters

—

## Return Values

—

## Example

```plaintext theme={null}
// ...
// Prepare flashing on FlexRay
vFlashActivateNetwork();
}
void vFlashActivateNetworkCompleted(long vFlashStatusCode)
{
  write("FlexRay network management was activated");
}
```