# IOpcNodeMemberInfo Interface

<span class="api-meta">since v2.20</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>Members</dt>
<dd><a href="./members">IOpcNodeMemberInfo Members</a></dd>
<dt>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

Defines the metanode of a member declared by a node type.

## Syntax

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

```csharp
public interface IOpcNodeMemberInfo
```

</div>

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

```vbnet
Public Interface IOpcNodeMemberInfo
```

</div>

## Base interfaces

<ul class="api-implements">
<li><a href="../opc.uafx.iopcnodeinfo/">IOpcNodeInfo</a></li>
<li><a href="../opc.uafx.iopcnodemodellingorder/">IOpcNodeModellingOrder</a></li>
</ul>

## Derived types

- [OpcNodeFieldInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodefieldinfo/)
- [OpcNodeMemberInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodememberinfo/)
- [OpcNodeMethodInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodemethodinfo/)
- [OpcNodeObjectInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeobjectinfo/)
- [OpcNodePropertyInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodepropertyinfo/)

## Properties

| Name | Description |
|---|---|
| [DeclaringType](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnodememberinfo/members#declaringtype) | Gets the type that declares the current IOpcNodeMemberInfo. |
| [MemberType](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnodememberinfo/members#membertype) | Gets the type of value this member provides. |
| [ReflectedType](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnodememberinfo/members#reflectedtype) | Gets the type that was used to obtain this instance of IOpcNodeMemberInfo. |

## Methods

| Name | Description |
|---|---|
| [GetValue](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnodememberinfo/members#getvalue) | Gets the value of the member supported by the given object `instance`. |
| [SetValue](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnodememberinfo/members#setvalue) | Sets the value of the member supported by the given object `instance`. |

Inherits members from [IOpcNodeInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnodeinfo/members), [IOpcNodeModellingOrder](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnodemodellingorder/members).

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.20–v2.59 |