# OpcNodeTypes Class

<span class="api-meta">static · since v2.20</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">OpcNodeTypes Members</a></dd>
</dl>

Provides the identifiers of the base node types and methods to determine the identifier of the node type which a .NET type represents.

## Syntax

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

```csharp
public static class OpcNodeTypes
```

</div>

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

```vbnet
Public Module OpcNodeTypes
```

</div>

## Inheritance

[Object](https://learn.microsoft.com/dotnet/api/system.object) → **OpcNodeTypes**

## Fields

| Name | Description |
|---|---|
| [Object](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodetypes/members#object)<span class="api-meta">static</span> | Represents the identifier of the BaseObjectType object type. |
| [Variable](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodetypes/members#variable)<span class="api-meta">static</span> | Represents the identifier of the BaseVariableType variable type. |

## Methods

| Name | Description |
|---|---|
| [GetNodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodetypes/members#getnodeid)<span class="api-meta">static · 3 overloads</span> | Determines the identifier of the node type which the type specified by `T` represents. |

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.20–v2.59 |