> ## 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.

# CAPLfunctionMOSTTwinklePowerLed

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

[CAPL Functions](../../CAPLfunctions.md) » [MOST](../CAPLfunctionsMOSTOverview.md) » mostTwinklePowerLed

# mostTwinklePowerLed

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

**Note**\
This function is available with MOST hardware VN2600, VN2610, VN2640, Optolyzer G2 3050e, Optolyzer G2 3150o, OptoLyzer MOCCA compact 50e, and OptoLyzer MOCCA compact 150c.

## Function Syntax

```plaintext theme={null}
long mostTwinklePowerLed(long channel);
```

## Description

Causes the power LED of the interface to briefly twinkle.

## Parameters

* **channel**: Channel of the connected interface

## Return Values

See [error codes](../CAPLfunctionsMOSTErrorCodes.md)

## Example

—

[mostGetChannel](CAPLfunctionMOSTGetChannel.md) • [mostGetHWCapability](CAPLfunctionMOSTGetHWCapability.md)