# OpcInstanceNodeInfo Class

<span class="api-meta">abstract · since v2.7</span>

<dl class="api-definition">
<dt>Namespace</dt>
<dd><a href="../namespaces/opc.uafx.client">Opc.UaFx.Client</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">OpcInstanceNodeInfo Members</a></dd>
<dt>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

Provides properties and methods for the examination of the attributes and references of a node which is classified as a specialization of an instance node.

## Syntax

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

```csharp
public abstract class OpcInstanceNodeInfo : OpcNodeInfo
```

</div>

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

```vbnet
Public MustInherit Class OpcInstanceNodeInfo
    Inherits OpcNodeInfo
```

</div>

## Inheritance

[Object](https://learn.microsoft.com/dotnet/api/system.object) → [OpcNodeInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcnodeinfo/) → **OpcInstanceNodeInfo**

## Implements

<ul class="api-implements">
<li><a href="../opc.uafx.iopcnodeinfo/">IOpcNodeInfo</a></li>
</ul>

## Derived types

- [OpcObjectNodeInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcobjectnodeinfo/)
- [OpcVariableNodeInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcvariablenodeinfo/)

## Constructors

| Name | Description |
|---|---|
| [OpcInstanceNodeInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcinstancenodeinfo/members#opcinstancenodeinfo)<span class="api-meta">protected · 2 overloads</span> | Initializes a new instance of the OpcInstanceNodeInfo class using the used context and concrete reference to the object node which is to be represented. |

## Properties

| Name | Description |
|---|---|
| [TypeDefinition](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcinstancenodeinfo/members#typedefinition) | Gets the [OpcTypeNodeInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opctypenodeinfo/) about the type definition node of the instance node represented. |
| [TypeDefinitionId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcinstancenodeinfo/members#typedefinitionid) | Gets the [OpcNodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeid/) about the type definition node of the instance node represented. |

Inherits members from [OpcNodeInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcnodeinfo/members).

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.7–v2.59 |