> ## 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.

# CAPLfunctionSCCCMValidateReq

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

**CAPL Functions** » [Smart Charging](../CAPLFunctionsSmartChargingOverview.md) » [SCC Modeling Libraries (Simulation Setup)](../CAPLFunctionsSmartChargingOverview.md#BMNodeayerDLL) » [EVSE Callback Functions](../CAPLFunctionsSmartChargingOverview.md#CallbackEVSE) » SCC\_CM\_Validate\_Req

# SCC\_CM\_Validate\_Req

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

## Function Syntax

```plaintext theme={null}
void SCC_CM_Validate_Req ( byte RunId[], byte SourceMacAddress[], dword ListenTimer )
```

## Description

The callback is called as soon as a **CM\_Validate.Req** message is received.

Further details that are transmitted in this request can be queried with the following functions:

* [SCC\_SLAC\_GetSignalType](../Functions/CAPLfunctionSCCSLACGetSignalType.md)
* [SCC\_SLAC\_GetResult](../Functions/CAPLfunctionSCCSLACGetResult.md)

## Parameters

* **RunId**: Random Run Identifier of sender (8 byte).
* **SourceMacAddress**: MAC address of sender.
* **ListenTimer**: Time duration while the EVSE shall listen to BCB-toggles:
  * 0x00 = 100 ms
  * 0x01 = 200 ms

## Return Values

—

## Example

—