> ## 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.

# CAPLfunctionSCCCertificateUpdateReq

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

## SCC\_CertificateUpdateReq

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

### Tool Availability

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

### Function Syntax

```plaintext theme={null}
void SCC_CertificateUpdateReq ( byte SessionID[], char ContractID[] )
```

### Description

The callback is called as soon as a Certificate Installation Request is received.

The list of root certificate IDs can be queried with the following functions:

* [SCC\_GetNumberOfRootCertificateIDs](../Functions/CAPLfunctionSCCGetNumberOfRootCertificateIDs.md)
* [SCC\_GetRootCertificateID](../Functions/CAPLfunctionSCCGetRootCertificateID.md)

### Parameters

* **SessionID**: 8-byte long SessionID of SCC connection, range: 0 – 0xFF FF FF FF FF FF FF FF.
* **ContractID**: ID of the contract to which the certificate is assigned, max. 128 character string. (eMAID)

### Return Values

—

### Example

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