# OpcNodeAddedEventArgs Class

> Reference: Provides the event data for the BeforeAdded and AfterAdded events.

<span class="api-meta">since v2.26</span>

<dl class="api-definition">
<dt>Namespace</dt>
<dd><a href="../namespaces/opc.uafx">Opc.UaFx</a></dd>
<dt>Assembly</dt>
<dd>Opc.UaFx.Advanced.dll</dd>
<dt>Package</dt>
<dd>Opc.UaFx.Advanced v2.59.0</dd>
<dt>Members</dt>
<dd><a href="./members">OpcNodeAddedEventArgs Members</a></dd>
</dl>

Provides the event data for the [BeforeAdded](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnode/members#beforeadded) and [AfterAdded](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnode/members#afteradded) events.

## Syntax

<div class="api-signature" data-lang="csharp">

```csharp
public class OpcNodeAddedEventArgs : OpcNodeEventArgs
```

</div>

<div class="api-signature" data-lang="vbnet">

```vbnet
Public Class OpcNodeAddedEventArgs
    Inherits OpcNodeEventArgs
```

</div>

## Inheritance

[Object](https://learn.microsoft.com/dotnet/api/system.object) → [EventArgs](https://learn.microsoft.com/dotnet/api/system.eventargs) → [OpcNodeEventArgs](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeeventargs/) → **OpcNodeAddedEventArgs**

## Constructors

| Name | Description |
|---|---|
| [OpcNodeAddedEventArgs](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeaddedeventargs/members#opcnodeaddedeventargs) | Initializes a new instance of the OpcNodeAddedEventArgs class using the `references` specified. |

## Properties

| Name | Description |
|---|---|
| [References](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeaddedeventargs/members#references) | Gets the references to add along with the node. |

Inherits members from [EventArgs](https://learn.microsoft.com/dotnet/api/system.eventargs).

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.26–v2.59 |