# OpcClient.Interfaces Property

> Reference: Gets the OpcClientInterfaces instance which provides options to control the access to the different OPC Classic interfaces used/provided by the OpcClient.

<dl class="api-definition">
<dt>Type</dt>
<dd><a href="./">OpcClient</a></dd>
<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">OpcClient Members</a></dd>
<dt>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

<span class="api-meta">since v2.18</span>

Gets the [OpcClientInterfaces](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclientinterfaces/) instance which provides options to control the access to the different OPC Classic interfaces used/provided by the [OpcClient](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/).

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

```csharp
public OpcClientInterfaces Interfaces { get; }
```

</div>

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

```vbnet
Public ReadOnly Property Interfaces As OpcClientInterfaces
```

</div>

**Property value**

[OpcClientInterfaces](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclientinterfaces/)

An instance of the [OpcClientInterfaces](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclientinterfaces/) class which can be used to control the access to the different interfaces accessed.