# OpcAcknowledgeableConditionNode Members

> Reference: Defines a condition node which introduces additional states for acknowledgement and confirmation.

<dl class="api-definition">
<dt>Type</dt>
<dd><a href="./">OpcAcknowledgeableConditionNode</a></dd>
<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>
</dl>

Inherits members from [OpcConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcconditionnode/members), [OpcEventNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventnode/members), [OpcObjectNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcobjectnode/members), [OpcInstanceNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcinstancenode/members), [OpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnode/members).

## Constructors

### OpcAcknowledgeableConditionNode

<span class="api-meta">10 overloads</span>

| Overload | Description |
|---|---|
| [OpcAcknowledgeableConditionNode(OpcName)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#opcacknowledgeableconditionnode-opc-uafx-opcname) | Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` specified. |
| [OpcAcknowledgeableConditionNode(OpcName, OpcNodeId)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#opcacknowledgeableconditionnode-opc-uafx-opcname-opc-uafx-opcnodeid) | Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` and `id` specified. |
| [OpcAcknowledgeableConditionNode(IOpcNode, OpcName)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#opcacknowledgeableconditionnode-opc-uafx-iopcnode-opc-uafx-opcname) | Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` specified as a child node of the `parent` node given. |
| [OpcAcknowledgeableConditionNode(IOpcNode, OpcName, OpcNodeId)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#opcacknowledgeableconditionnode-opc-uafx-iopcnode-opc-uafx-opcname-opc-uafx-opcnodeid) | Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` and `id` specified as a child node of the `parent` node given. |
| [OpcAcknowledgeableConditionNode(AcknowledgeableConditionState)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#opcacknowledgeableconditionnode-opc-ua-acknowledgeableconditionstate)<span class="api-meta">protected · since v2.50</span> | Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class using the `content` as the instance to wrap. |
| [OpcAcknowledgeableConditionNode(AcknowledgeableConditionState, OpcNodeModel)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#opcacknowledgeableconditionnode-opc-ua-acknowledgeableconditionstate-opc-uafx-opcnodemodel)<span class="api-meta">protected · since v2.50</span> | Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class using the `content` as the instance to wrap. |
| [OpcAcknowledgeableConditionNode(OpcNodeModel, OpcName)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#opcacknowledgeableconditionnode-opc-uafx-opcnodemodel-opc-uafx-opcname)<span class="api-meta">protected · since v2.50</span> | Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` specified. |
| [OpcAcknowledgeableConditionNode(OpcNodeModel, OpcName, OpcNodeId)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#opcacknowledgeableconditionnode-opc-uafx-opcnodemodel-opc-uafx-opcname-opc-uafx-opcnodeid)<span class="api-meta">protected · since v2.50</span> | Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` and `id` specified. |
| [OpcAcknowledgeableConditionNode(OpcNodeModel, IOpcNode, OpcName)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#opcacknowledgeableconditionnode-opc-uafx-opcnodemodel-opc-uafx-iopcnode-opc-uafx-opcname)<span class="api-meta">protected · since v2.50</span> | Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` specified as a child node of the `parent` node given. |
| [OpcAcknowledgeableConditionNode(OpcNodeModel, IOpcNode, OpcName, OpcNodeId)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#opcacknowledgeableconditionnode-opc-uafx-opcnodemodel-opc-uafx-iopcnode-opc-uafx-opcname-opc-uafx-opcnodeid)<span class="api-meta">protected · since v2.50</span> | Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` and `id` specified as a child node of the `parent` node given. |

#### OpcAcknowledgeableConditionNode(OpcName)

Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` specified.

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

```csharp
public OpcAcknowledgeableConditionNode(OpcName name)
```

</div>

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

```vbnet
Public Sub New(name As OpcName)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `name` | [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) | The [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) through that the new acknowledgeable condition node can be accessed. |

#### OpcAcknowledgeableConditionNode(OpcName, OpcNodeId)

Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` and `id` specified.

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

```csharp
public OpcAcknowledgeableConditionNode(OpcName name, OpcNodeId id)
```

</div>

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

```vbnet
Public Sub New(name As OpcName, id As OpcNodeId)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `name` | [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) | The [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) through that the new acknowledgeable condition node can be accessed. |
| `id` | [OpcNodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeid/) | The [OpcNodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeid/) through that the new acknowledgeable condition node can be identified and accessed. |

#### OpcAcknowledgeableConditionNode(IOpcNode, OpcName)

Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` specified as a child node of the `parent` node given.

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

```csharp
public OpcAcknowledgeableConditionNode(IOpcNode parent, OpcName name)
```

</div>

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

```vbnet
Public Sub New(parent As IOpcNode, name As OpcName)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `parent` | [IOpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnode/) | The [IOpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnode/) used as the parent node or a null reference (Nothing in Visual Basic) in the case there is no parent node available. |
| `name` | [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) | The [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) through that the new acknowledgeable condition node can be accessed. |

#### OpcAcknowledgeableConditionNode(IOpcNode, OpcName, OpcNodeId)

Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` and `id` specified as a child node of the `parent` node given.

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

```csharp
public OpcAcknowledgeableConditionNode(
    IOpcNode parent,
    OpcName name,
    OpcNodeId id)
```

</div>

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

```vbnet
Public Sub New(parent As IOpcNode, name As OpcName, id As OpcNodeId)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `parent` | [IOpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnode/) | The [IOpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnode/) used as the parent node or a null reference (Nothing in Visual Basic) in the case there is no parent node available. |
| `name` | [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) | The [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) through that the new acknowledgeable condition node can be accessed. |
| `id` | [OpcNodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeid/) | The [OpcNodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeid/) through that the new acknowledgeable condition node can be identified and accessed. |

#### OpcAcknowledgeableConditionNode(AcknowledgeableConditionState)

<span class="api-meta">protected · since v2.50</span>

Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class using the `content` as the instance to wrap.

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

```csharp
protected OpcAcknowledgeableConditionNode(AcknowledgeableConditionState content)
```

</div>

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

```vbnet
Protected Sub New(content As AcknowledgeableConditionState)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `content` | <abbr title="OPC Foundation stack type, not documented here: Opc.Ua.AcknowledgeableConditionState">AcknowledgeableConditionState</abbr> | The <abbr title="OPC Foundation stack type, not documented here: Opc.Ua.AcknowledgeableConditionState">AcknowledgeableConditionState</abbr> to wrap. |

**Exceptions**

| Exception | Condition |
|---|---|
| [ArgumentNullException](https://learn.microsoft.com/dotnet/api/system.argumentnullexception) | The `content` is a null reference (Nothing in Visual Basic). |

#### OpcAcknowledgeableConditionNode(AcknowledgeableConditionState, OpcNodeModel)

<span class="api-meta">protected · since v2.50</span>

Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class using the `content` as the instance to wrap.

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

```csharp
protected OpcAcknowledgeableConditionNode(
    AcknowledgeableConditionState content,
    OpcNodeModel model)
```

</div>

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

```vbnet
Protected Sub New(
    content As AcknowledgeableConditionState,
    model As OpcNodeModel)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `content` | <abbr title="OPC Foundation stack type, not documented here: Opc.Ua.AcknowledgeableConditionState">AcknowledgeableConditionState</abbr> | The <abbr title="OPC Foundation stack type, not documented here: Opc.Ua.AcknowledgeableConditionState">AcknowledgeableConditionState</abbr> to wrap. |
| `model` | [OpcNodeModel](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodemodel/) | The [OpcNodeModel](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodemodel/) which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node. |

**Exceptions**

| Exception | Condition |
|---|---|
| [ArgumentNullException](https://learn.microsoft.com/dotnet/api/system.argumentnullexception) | The `content` is a null reference (Nothing in Visual Basic). |

#### OpcAcknowledgeableConditionNode(OpcNodeModel, OpcName)

<span class="api-meta">protected · since v2.50</span>

Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` specified.

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

```csharp
protected OpcAcknowledgeableConditionNode(OpcNodeModel model, OpcName name)
```

</div>

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

```vbnet
Protected Sub New(model As OpcNodeModel, name As OpcName)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `model` | [OpcNodeModel](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodemodel/) | The [OpcNodeModel](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodemodel/) which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node. |
| `name` | [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) | The [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) through that the new acknowledgeable condition node can be accessed. |

#### OpcAcknowledgeableConditionNode(OpcNodeModel, OpcName, OpcNodeId)

<span class="api-meta">protected · since v2.50</span>

Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` and `id` specified.

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

```csharp
protected OpcAcknowledgeableConditionNode(
    OpcNodeModel model,
    OpcName name,
    OpcNodeId id)
```

</div>

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

```vbnet
Protected Sub New(model As OpcNodeModel, name As OpcName, id As OpcNodeId)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `model` | [OpcNodeModel](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodemodel/) | The [OpcNodeModel](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodemodel/) which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node. |
| `name` | [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) | The [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) through that the new acknowledgeable condition node can be accessed. |
| `id` | [OpcNodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeid/) | The [OpcNodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeid/) through that the new acknowledgeable condition node can be identified and accessed. |

#### OpcAcknowledgeableConditionNode(OpcNodeModel, IOpcNode, OpcName)

<span class="api-meta">protected · since v2.50</span>

Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` specified as a child node of the `parent` node given.

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

```csharp
protected OpcAcknowledgeableConditionNode(
    OpcNodeModel model,
    IOpcNode parent,
    OpcName name)
```

</div>

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

```vbnet
Protected Sub New(model As OpcNodeModel, parent As IOpcNode, name As OpcName)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `model` | [OpcNodeModel](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodemodel/) | The [OpcNodeModel](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodemodel/) which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node. |
| `parent` | [IOpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnode/) | The [IOpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnode/) used as the parent node or a null reference (Nothing in Visual Basic) in the case there is no parent node available. |
| `name` | [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) | The [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) through that the new acknowledgeable condition node can be accessed. |

#### OpcAcknowledgeableConditionNode(OpcNodeModel, IOpcNode, OpcName, OpcNodeId)

<span class="api-meta">protected · since v2.50</span>

Initializes a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) class accessible by the `name` and `id` specified as a child node of the `parent` node given.

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

```csharp
protected OpcAcknowledgeableConditionNode(
    OpcNodeModel model,
    IOpcNode parent,
    OpcName name,
    OpcNodeId id)
```

</div>

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

```vbnet
Protected Sub New(
    model As OpcNodeModel,
    parent As IOpcNode,
    name As OpcName,
    id As OpcNodeId)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `model` | [OpcNodeModel](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodemodel/) | The [OpcNodeModel](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodemodel/) which defines the modelling directives for the new node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the node. |
| `parent` | [IOpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnode/) | The [IOpcNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnode/) used as the parent node or a null reference (Nothing in Visual Basic) in the case there is no parent node available. |
| `name` | [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) | The [OpcName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcname/) through that the new acknowledgeable condition node can be accessed. |
| `id` | [OpcNodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeid/) | The [OpcNodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeid/) through that the new acknowledgeable condition node can be identified and accessed. |

## Properties

### AcknowledgeCallback

Gets or sets a callback used to acknowledge the state of the condition node.

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

```csharp
public OpcAddCommentCallback AcknowledgeCallback { get; set; }
```

</div>

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

```vbnet
Public Property AcknowledgeCallback As OpcAddCommentCallback
```

</div>

**Property value**

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

A [OpcAddCommentCallback](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcaddcommentcallback/) used to acknowledge the state of the condition node. The value can also be a null reference (Nothing in Visual Basic).

### AcknowledgeNode

Gets the [OpcAddCommentMethodNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcaddcommentmethodnode/) used to handle 'Acknowledge' method calls to acknowledge the state of the condition node.

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

```csharp
public OpcAddCommentMethodNode AcknowledgeNode { get; }
```

</div>

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

```vbnet
Public ReadOnly Property AcknowledgeNode As OpcAddCommentMethodNode
```

</div>

**Property value**

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

An instance of the [OpcAddCommentMethodNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcaddcommentmethodnode/) class. Which uses an [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) defined callback to acknowledge the state of the condition node.

### ConfirmCallback

Gets or sets a callback used to confirm the state of the condition node.

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

```csharp
public OpcAddCommentCallback ConfirmCallback { get; set; }
```

</div>

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

```vbnet
Public Property ConfirmCallback As OpcAddCommentCallback
```

</div>

**Property value**

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

A [OpcAddCommentCallback](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcaddcommentcallback/) used to confirm the state of the condition node. The value can also be a null reference (Nothing in Visual Basic).

### ConfirmNode

Gets the [OpcAddCommentMethodNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcaddcommentmethodnode/) used to handle 'Confirm' method calls to confirm the state of the condition node.

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

```csharp
public OpcAddCommentMethodNode ConfirmNode { get; }
```

</div>

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

```vbnet
Public ReadOnly Property ConfirmNode As OpcAddCommentMethodNode
```

</div>

**Property value**

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

An instance of the [OpcAddCommentMethodNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcaddcommentmethodnode/) class. Which uses an [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) defined callback to confirm the state of the condition node.

### DefaultTypeDefinitionId

<span class="api-meta">protected · override</span>

Gets the default identifier which identifies the node that defines the underlying node type from that this [OpcInstanceNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcinstancenode/) has been created.

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

```csharp
protected override OpcNodeId DefaultTypeDefinitionId { get; }
```

</div>

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

```vbnet
Protected Overrides ReadOnly Property DefaultTypeDefinitionId As OpcNodeId
```

</div>

**Property value**

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

The [OpcNodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeid/) of the type node from that this [OpcInstanceNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcinstancenode/) has been created from. These type node defines the typical structure of an instance node of its type definition. If there exists no specific type definition node a null reference (Nothing in Visual Basic).

**Overrides**

[DefaultTypeDefinitionId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcconditionnode/members#defaulttypedefinitionid)

### IsAcked

Gets a value indicating whether the condition requires acknowledgement for the reported condition state.

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

```csharp
public bool IsAcked { get; }
```

</div>

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

```vbnet
Public ReadOnly Property IsAcked As Boolean
```

</div>

**Property value**

[Boolean](https://learn.microsoft.com/dotnet/api/system.boolean)

The value false if an acknowledgement is required; otherwise the value true.

### IsAckedNode

Gets the [OpcTwoStateVariableNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctwostatevariablenode/) of the [IsAcked](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#isacked) property.

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

```csharp
public OpcTwoStateVariableNode IsAckedNode { get; }
```

</div>

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

```vbnet
Public ReadOnly Property IsAckedNode As OpcTwoStateVariableNode
```

</div>

**Property value**

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

An instance of the [OpcTwoStateVariableNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctwostatevariablenode/) class.

### IsConfirmed

Gets a value indicating whether the condition requires confirmation for the reported condition state.

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

```csharp
public bool IsConfirmed { get; }
```

</div>

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

```vbnet
Public ReadOnly Property IsConfirmed As Boolean
```

</div>

**Property value**

[Boolean](https://learn.microsoft.com/dotnet/api/system.boolean)

The value false if an confirmation is required; otherwise the value true.

### IsConfirmedNode

Gets the [OpcTwoStateVariableNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctwostatevariablenode/) of the [IsConfirmed](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#isconfirmed) property.

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

```csharp
public OpcTwoStateVariableNode IsConfirmedNode { get; }
```

</div>

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

```vbnet
Public ReadOnly Property IsConfirmedNode As OpcTwoStateVariableNode
```

</div>

**Property value**

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

An instance of the [OpcTwoStateVariableNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctwostatevariablenode/) class.

## Methods

### Acknowledge

<span class="api-meta">3 overloads</span>

| Overload | Description |
|---|---|
| [Acknowledge(OpcContext)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#acknowledge-opc-uafx-opccontext) | Acknowledges the state reported by an event notification which can be identified by the [EventId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventnode/members#eventid) using the specified `context`. |
| [Acknowledge(OpcContext, OpcText)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#acknowledge-opc-uafx-opccontext-opc-uafx-opctext) | Acknowledges the state reported by an event notification which can be identified by the [EventId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventnode/members#eventid) using the specified `context`. |
| [Acknowledge(OpcContext, byte\[\], OpcText)](#acknowledge-opc-uafx-opccontext-system-byte-array-opc-uafx-opctext) | Acknowledges the state reported by an event notification which can be identified by the `eventId` using the specified `context`. |

**Exceptions (all overloads)**

| Exception | Condition |
|---|---|
| [OpcException](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcexception/) | The call failed (see exception details for more information). |

#### Acknowledge(OpcContext)

Acknowledges the state reported by an event notification which can be identified by the [EventId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventnode/members#eventid) using the specified `context`.

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

```csharp
public void Acknowledge(OpcContext context)
```

</div>

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

```vbnet
Public Sub Acknowledge(context As OpcContext)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `context` | [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/) | The [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/) to use. |

**Exceptions**

| Exception | Condition |
|---|---|
| [ArgumentNullException](https://learn.microsoft.com/dotnet/api/system.argumentnullexception) | The `context` is a null reference (Nothing in Visual Basic). |

#### Acknowledge(OpcContext, OpcText)

Acknowledges the state reported by an event notification which can be identified by the [EventId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventnode/members#eventid) using the specified `context`.

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

```csharp
public void Acknowledge(OpcContext context, OpcText comment)
```

</div>

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

```vbnet
Public Sub Acknowledge(context As OpcContext, comment As OpcText)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `context` | [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/) | The [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/) to use. |
| `comment` | [OpcText](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctext/) | The text to apply on the condition state. |

**Exceptions**

| Exception | Condition |
|---|---|
| [ArgumentNullException](https://learn.microsoft.com/dotnet/api/system.argumentnullexception) | The `context` is a null reference (Nothing in Visual Basic). |

#### Acknowledge(OpcContext, byte\[\], OpcText)

Acknowledges the state reported by an event notification which can be identified by the `eventId` using the specified `context`.

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

```csharp
public void Acknowledge(OpcContext context, byte[] eventId, OpcText comment)
```

</div>

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

```vbnet
Public Sub Acknowledge(
    context As OpcContext,
    eventId As Byte(),
    comment As OpcText)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `context` | [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/) | The [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/) to use. |
| `eventId` | [Byte](https://learn.microsoft.com/dotnet/api/system.byte)[] | The identifier which identifies the particular event notification its reported state for the condition node is to be commented. |
| `comment` | [OpcText](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctext/) | The text to apply on the condition state. |

**Exceptions**

| Exception | Condition |
|---|---|
| [ArgumentNullException](https://learn.microsoft.com/dotnet/api/system.argumentnullexception) | The `context` or `eventId` is a null reference (Nothing in Visual Basic). |

### AcknowledgeCore

<span class="api-meta">protected · virtual</span>

Acknowledges the state of the condition node.

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

```csharp
protected virtual OpcStatusCode AcknowledgeCore(
    OpcNodeContext<OpcConditionNode> context,
    byte[] eventId,
    OpcText comment)
```

</div>

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

```vbnet
Protected Overridable Function AcknowledgeCore(
    context As OpcNodeContext(Of OpcConditionNode),
    eventId As Byte(),
    comment As OpcText) As OpcStatusCode
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `context` | [OpcNodeContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodecontext-1/)&lt;[OpcConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcconditionnode/)&gt; | The [OpcNodeContext&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodecontext-1/) to use to acknowledge the state. |
| `eventId` | [Byte](https://learn.microsoft.com/dotnet/api/system.byte)[] | The identifier identifying a particular event notification where a state was reported for a condition. |
| `comment` | [OpcText](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctext/) | A localized text to be applied to the condition. |

**Returns**

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

The [OpcStatusCode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscode/) specifying the outcome of the operation using the [AcknowledgeCallback](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#acknowledgecallback) or [Good](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscode/#good) if there is no custom callback routine defined.

### Confirm

<span class="api-meta">3 overloads</span>

| Overload | Description |
|---|---|
| [Confirm(OpcContext)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#confirm-opc-uafx-opccontext) | Confirms the state reported by an event notification which can be identified by the [EventId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventnode/members#eventid) using the specified `context`. |
| [Confirm(OpcContext, OpcText)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#confirm-opc-uafx-opccontext-opc-uafx-opctext) | Confirms the state reported by an event notification which can be identified by the [EventId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventnode/members#eventid) using the specified `context`. |
| [Confirm(OpcContext, byte\[\], OpcText)](#confirm-opc-uafx-opccontext-system-byte-array-opc-uafx-opctext) | Confirms the state reported by an event notification which can be identified by the `eventId` using the specified `context`. |

**Exceptions (all overloads)**

| Exception | Condition |
|---|---|
| [OpcException](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcexception/) | The call failed (see exception details for more information). |

#### Confirm(OpcContext)

Confirms the state reported by an event notification which can be identified by the [EventId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventnode/members#eventid) using the specified `context`.

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

```csharp
public void Confirm(OpcContext context)
```

</div>

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

```vbnet
Public Sub Confirm(context As OpcContext)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `context` | [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/) | The [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/) to use. |

**Exceptions**

| Exception | Condition |
|---|---|
| [ArgumentNullException](https://learn.microsoft.com/dotnet/api/system.argumentnullexception) | The `context` is a null reference (Nothing in Visual Basic). |

#### Confirm(OpcContext, OpcText)

Confirms the state reported by an event notification which can be identified by the [EventId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventnode/members#eventid) using the specified `context`.

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

```csharp
public void Confirm(OpcContext context, OpcText comment)
```

</div>

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

```vbnet
Public Sub Confirm(context As OpcContext, comment As OpcText)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `context` | [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/) | The [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/) to use. |
| `comment` | [OpcText](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctext/) | The text to apply on the condition state. |

**Exceptions**

| Exception | Condition |
|---|---|
| [ArgumentNullException](https://learn.microsoft.com/dotnet/api/system.argumentnullexception) | The `context` is a null reference (Nothing in Visual Basic). |

#### Confirm(OpcContext, byte\[\], OpcText)

Confirms the state reported by an event notification which can be identified by the `eventId` using the specified `context`.

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

```csharp
public void Confirm(OpcContext context, byte[] eventId, OpcText comment)
```

</div>

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

```vbnet
Public Sub Confirm(context As OpcContext, eventId As Byte(), comment As OpcText)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `context` | [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/) | The [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/) to use. |
| `eventId` | [Byte](https://learn.microsoft.com/dotnet/api/system.byte)[] | The identifier which identifies the particular event notification its reported state for the condition node is to be commented. |
| `comment` | [OpcText](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctext/) | The text to apply on the condition state. |

**Exceptions**

| Exception | Condition |
|---|---|
| [ArgumentNullException](https://learn.microsoft.com/dotnet/api/system.argumentnullexception) | The `context` or `eventId` is a null reference (Nothing in Visual Basic). |

### ConfirmCore

<span class="api-meta">protected · virtual</span>

Confirms the state of the condition node.

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

```csharp
protected virtual OpcStatusCode ConfirmCore(
    OpcNodeContext<OpcConditionNode> context,
    byte[] eventId,
    OpcText comment)
```

</div>

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

```vbnet
Protected Overridable Function ConfirmCore(
    context As OpcNodeContext(Of OpcConditionNode),
    eventId As Byte(),
    comment As OpcText) As OpcStatusCode
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `context` | [OpcNodeContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodecontext-1/)&lt;[OpcConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcconditionnode/)&gt; | The [OpcNodeContext&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodecontext-1/) to use to confirm the state. |
| `eventId` | [Byte](https://learn.microsoft.com/dotnet/api/system.byte)[] | The identifier identifying a particular event notification where a state was reported for a condition. |
| `comment` | [OpcText](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctext/) | A localized text to be applied to the condition. |

**Returns**

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

The [OpcStatusCode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscode/) specifying the outcome of the operation using the [ConfirmCallback](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#confirmcallback) or [Good](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscode/#good) if there is no custom callback routine defined.

### CreateBranchCore

<span class="api-meta">protected · override</span>

Creates a new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) using the same [Id](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnode/members#id) and [Name](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnode/members#name) as this node.

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

```csharp
protected override OpcConditionNode CreateBranchCore()
```

</div>

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

```vbnet
Protected Overrides Function CreateBranchCore() As OpcConditionNode
```

</div>

**Returns**

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

A new instance of the [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) identifiable and accessible througth the same [Id](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnode/members#id) and [Name](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnode/members#name) as this node.

**Overrides**

[CreateBranchCore](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcconditionnode/members#createbranchcore)