# OpcAttributeInfo Class

> Reference: Provides the identifier, the value and the metadata of an attribute of a node, as provided by the OpcNodeInfo of the node.

<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">OpcAttributeInfo Members</a></dd>
<dt>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

Provides the identifier, the value and the metadata of an attribute of a node, as provided by the [OpcNodeInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcnodeinfo/) of the node.

## Syntax

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

```csharp
public class OpcAttributeInfo
```

</div>

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

```vbnet
Public Class OpcAttributeInfo
```

</div>

## Inheritance

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

## Properties

| Name | Description |
|---|---|
| [DataType](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcattributeinfo/members#datatype) | Gets the built-in data type which the OPC UA specification defines for the value of the attribute. |
| [DataTypeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcattributeinfo/members#datatypeid) | Gets the identifier of the data type which the OPC UA specification defines for the value of the attribute. |
| [Identifier](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcattributeinfo/members#identifier) | Gets the identifier of the attribute. |
| [Name](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcattributeinfo/members#name) | Gets the name which the OPC UA specification defines for the attribute. |
| [Value](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcattributeinfo/members#value) | Gets the value of the attribute. |
| [ValueRank](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcattributeinfo/members#valuerank) | Gets the value rank which the OPC UA specification defines for the value of the attribute. |
| [WriteAccess](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcattributeinfo/members#writeaccess) | Gets the flag which represents the attribute in the write mask of a node. |

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.5–v2.59 |