---
UID: NF:eventsys.IEventClass.put_CustomConfigCLSID
title: IEventClass::put_CustomConfigCLSID (eventsys.h)
description: The CLSID of a component that can assist in adding properties into the property bag of a subscription object. This property is supported only for backward compatibility.
old-location: cos\ieventclass_customconfigclsid.htm
tech.root: cossdk
ms.assetid: 54452bfb-063d-4f0e-a63d-a54de97106e7
ms.date: 12/05/2018
ms.keywords: CustomConfigCLSID property [COM+], CustomConfigCLSID property [COM+],IEventClass interface, IEventClass interface [COM+],CustomConfigCLSID property, IEventClass.CustomConfigCLSID, IEventClass.put_CustomConfigCLSID, IEventClass::CustomConfigCLSID, IEventClass::get_CustomConfigCLSID, IEventClass::put_CustomConfigCLSID, cos.ieventclass_customconfigclsid, eventsys/IEventClass::CustomConfigCLSID, eventsys/IEventClass::get_CustomConfigCLSID, eventsys/IEventClass::put_CustomConfigCLSID, put_CustomConfigCLSID
f1_keywords:
- eventsys/IEventClass.CustomConfigCLSID
dev_langs:
- c++
req.header: eventsys.h
req.include-header: Eventsys.h
req.target-type: Windows
req.target-min-winverclnt: Windows 2000 Professional [desktop apps only]
req.target-min-winversvr: Windows 2000 Server [desktop apps only]
req.kmdf-ver: 
req.umdf-ver: 
req.ddi-compliance: 
req.unicode-ansi: 
req.idl: Eventsys.idl
req.max-support: 
req.namespace: 
req.assembly: 
req.type-library: 
req.lib: 
req.dll: 
req.irql: 
topic_type:
- APIRef
- kbSyntax
api_type:
- COM
api_location:
- eventsys.h
api_name:
- IEventClass.CustomConfigCLSID
- IEventClass.get_CustomConfigCLSID
- IEventClass.put_CustomConfigCLSID
targetos: Windows
req.typenames: 
req.redist: 
ms.custom: 19H1
---

# IEventClass::put_CustomConfigCLSID


## -description


The CLSID of a component that can assist in adding properties into the property bag of a subscription object. This property is supported only for backward compatibility.

This property is read/write.


## -parameters


## -see-also




<a href="https://docs.microsoft.com/windows/desktop/api/eventsys/nn-eventsys-ieventclass">IEventClass</a>
 

 

