# OpcAccessControlRole Class

> Reference: Represents a single access control role OpcPrincipal instances can be a member of.

<span class="api-meta">since v2.53</span>

<dl class="api-definition">
<dt>Namespace</dt>
<dd><a href="../namespaces/opc.uafx.server">Opc.UaFx.Server</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">OpcAccessControlRole Members</a></dd>
</dl>

Represents a single access control role [OpcPrincipal](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcprincipal/) instances can be a member of.

## Syntax

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

```csharp
public class OpcAccessControlRole
```

</div>

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

```vbnet
Public Class OpcAccessControlRole
```

</div>

## Inheritance

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

## Constructors

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

## Properties

| Name | Description |
|---|---|
| [Identifier](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcaccesscontrolrole/members#identifier) | Gets the identifier of the current OpcAccessControlRole. |
| [Name](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcaccesscontrolrole/members#name) | Gets the name of the current OpcAccessControlRole. |

## Methods

| Name | Description |
|---|---|
| [Assign](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcaccesscontrolrole/members#assign) | Assigns the `principal` specified to the current OpcAccessControlRole. |
| [Contains](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcaccesscontrolrole/members#contains) | Determines whether the `principal` is a member of the current OpcAccessControlRole. |
| [Revoke](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcaccesscontrolrole/members#revoke) | Revokes the assignment of the current OpcAccessControlRole to the `principal` specified. |

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.53–v2.59 |