# OpcTypeSystemScopes Enum

> Reference: Defines the scopes of types an IOpcTypeSystem covers.

<span class="api-meta">since v2.9</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>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

Defines the scopes of types an [IOpcTypeSystem](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopctypesystem/) covers.

## Syntax

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

```csharp
public enum OpcTypeSystemScopes
```

</div>

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

```vbnet
<Flags>
Public Enum OpcTypeSystemScopes
```

</div>

## Inheritance

[Object](https://learn.microsoft.com/dotnet/api/system.object) → [ValueType](https://learn.microsoft.com/dotnet/api/system.valuetype) → [Enum](https://learn.microsoft.com/dotnet/api/system.enum) → **OpcTypeSystemScopes**

## Fields

| Name | Value | Description |
|---|---|---|
| <a id="data"></a>`Data` | `4` | The system provides type information for data transported. |
| <a id="object"></a>`Object` | `1` | The system provides type information for objects. |
| <a id="unknown"></a>`Unknown` | `0` | The type information provided is unclassified. |
| <a id="variable"></a>`Variable` | `2` | The system provides type information for variables which in special are objects associated with a value. |

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.9–v2.59 |