> ## 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.

# CAPLfunctionMOSTGetSystemLock

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

**CAPL Functions** » [MOST](../CAPLfunctionsMOSTOverview.md) » mostGetSystemLock

# mostGetSystemLock

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

## Function Syntax

```
long mostGetSystemLock(long channel);
```

## Description

Returns the current state of the System Lock Flag.

## Parameters

* **channel**: Application channel number.

## Return Values

* **1**: System Lock Flag set
* **0**: System Lock Flag not set
* **\< 0**: MOST CAPL [error codes](../CAPLfunctionsMOSTErrorCodes.md).

## Example

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