# OpcAttributes Enum

> Reference: Defines members used to refer to one or more OpcAttribute values using combinable values.

<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 members used to refer to one or more [OpcAttribute](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/) values using combinable values.

## Syntax

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

```csharp
public enum OpcAttributes
```

</div>

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

```vbnet
<Flags>
Public Enum OpcAttributes
```

</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) → **OpcAttributes**

## Fields

| Name | Value | Description |
|---|---|---|
| <a id="accesslevel"></a>`AccessLevel` | `131072` | Refers the [AccessLevel](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#accesslevel). |
| <a id="accesslevelex"></a>`AccessLevelEx`<span class="api-meta">since v2.58</span> | `134217728` | Refers the [AccessLevelEx](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#accesslevelex). |
| <a id="accessrestrictions"></a>`AccessRestrictions`<span class="api-meta">since v2.58</span> | `67108864` | Refers the [AccessRestrictions](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#accessrestrictions). |
| <a id="arraydimensions"></a>`ArrayDimensions` | `65536` | Refers the [ArrayDimensions](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#arraydimensions). |
| <a id="browsename"></a>`BrowseName` | `8` | Refers the [BrowseName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#browsename). |
| <a id="containsnoloops"></a>`ContainsNoLoops` | `2048` | Refers the [ContainsNoLoops](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#containsnoloops). |
| <a id="datatype"></a>`DataType` | `16384` | Refers the [DataType](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#datatype). |
| <a id="datatypedefinition"></a>`DataTypeDefinition`<span class="api-meta">since v2.58</span> | `8388608` | Refers the [DataTypeDefinition](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#datatypedefinition). |
| <a id="description"></a>`Description` | `32` | Refers the [Description](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#description). |
| <a id="displayname"></a>`DisplayName` | `16` | Refers the [DisplayName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#displayname). |
| <a id="eventnotifier"></a>`EventNotifier` | `4096` | Refers the [EventNotifier](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#eventnotifier). |
| <a id="executable"></a>`Executable` | `2097152` | Refers the [Executable](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#executable). |
| <a id="inversename"></a>`InverseName` | `1024` | Refers the [InverseName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#inversename). |
| <a id="isabstract"></a>`IsAbstract` | `256` | Refers the [IsAbstract](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#isabstract). |
| <a id="ishistorizing"></a>`IsHistorizing` | `1048576` | Refers the [IsHistorizing](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#ishistorizing). |
| <a id="minimumsamplinginterval"></a>`MinimumSamplingInterval` | `524288` | Refers the [MinimumSamplingInterval](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#minimumsamplinginterval). |
| <a id="nodecategory"></a>`NodeCategory` | `4` | Refers the [NodeCategory](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#nodecategory). |
| <a id="nodeid"></a>`NodeId` | `2` | Refers the [NodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#nodeid). |
| <a id="none"></a>`None` | `0` | Refers to none of the attributes identified by the [OpcAttribute](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/) enumeration. |
| <a id="rolepermissions"></a>`RolePermissions`<span class="api-meta">since v2.58</span> | `16777216` | Refers the [RolePermissions](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#rolepermissions). |
| <a id="symmetric"></a>`Symmetric` | `512` | Refers the [Symmetric](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#symmetric). |
| <a id="useraccesslevel"></a>`UserAccessLevel` | `262144` | Refers the [UserAccessLevel](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#useraccesslevel). |
| <a id="userexecutable"></a>`UserExecutable` | `4194304` | Refers the [UserExecutable](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#userexecutable). |
| <a id="userrolepermissions"></a>`UserRolePermissions`<span class="api-meta">since v2.58</span> | `33554432` | Refers the [UserRolePermissions](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#userrolepermissions). |
| <a id="userwriteaccess"></a>`UserWriteAccess` | `128` | Refers the [UserWriteAccess](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#userwriteaccess). |
| <a id="value"></a>`Value` | `8192` | Refers the [Value](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#value). |
| <a id="valuerank"></a>`ValueRank` | `32768` | Refers the [ValueRank](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#valuerank). |
| <a id="writeaccess"></a>`WriteAccess` | `64` | Refers the [WriteAccess](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/#writeaccess). |

## Applies to

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