# OpcAcknowledgeableConditionNodeExtension Members

> Reference: Provides static (Shared in Visual Basic) extension methods to manage OpcAcknowledgeableConditionNode objects.

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

## Methods

### Acknowledge

<span class="api-meta">static · 2 overloads</span>

| Overload | Description |
|---|---|
| [Acknowledge(OpcAcknowledgeableConditionNode, OpcClient, OpcText)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcacknowledgeableconditionnodeextension/members#acknowledge-opc-uafx-opcacknowledgeableconditionnode-opc-uafx-client-opcclient-opc-uafx-opctext)<span class="api-meta">static</span> | Acknowledges 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) of the `conditionNode` specified there the [IsAckedNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#isackednode) is equals to its false state using the further specified `client`. |
| [Acknowledge(OpcAcknowledgeableConditionNode, OpcClient, byte\[\], OpcText)](#acknowledge-opc-uafx-opcacknowledgeableconditionnode-opc-uafx-client-opcclient-system-byte-array-opc-uafx-opctext)<span class="api-meta">static</span> | Acknowledges an event notification which can be identified by the `eventId` on the `conditionNode` specified there the [IsAckedNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#isackednode) is equals to its false state using the further specified `client`. |

**Exceptions (all overloads)**

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

#### Acknowledge(OpcAcknowledgeableConditionNode, OpcClient, OpcText)

<span class="api-meta">static</span>

Acknowledges 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) of the `conditionNode` specified there the [IsAckedNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#isackednode) is equals to its false state using the further specified `client`.

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

```csharp
public static void Acknowledge(
    this OpcAcknowledgeableConditionNode conditionNode,
    OpcClient client,
    OpcText comment)
```

</div>

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

```vbnet
Public Shared Sub Acknowledge(
    conditionNode As OpcAcknowledgeableConditionNode,
    client As OpcClient,
    comment As OpcText)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `conditionNode` | [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) | The [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) its 'Acknowledge' method node is to be called. |
| `client` | [OpcClient](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/) | The [OpcClient](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/) to use to call the method. |
| `comment` | [OpcText](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctext/) | The text to apply on the condition. |

**Exceptions**

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

#### Acknowledge(OpcAcknowledgeableConditionNode, OpcClient, byte\[\], OpcText)

<span class="api-meta">static</span>

Acknowledges an event notification which can be identified by the `eventId` on the `conditionNode` specified there the [IsAckedNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#isackednode) is equals to its false state using the further specified `client`.

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

```csharp
public static void Acknowledge(
    this OpcAcknowledgeableConditionNode conditionNode,
    OpcClient client,
    byte[] eventId,
    OpcText comment)
```

</div>

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

```vbnet
Public Shared Sub Acknowledge(
    conditionNode As OpcAcknowledgeableConditionNode,
    client As OpcClient,
    eventId As Byte(),
    comment As OpcText)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `conditionNode` | [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) | The [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) its 'Acknowledge' method node is to be called. |
| `client` | [OpcClient](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/) | The [OpcClient](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/) to use to call the method. |
| `eventId` | [Byte](https://learn.microsoft.com/dotnet/api/system.byte)[] | The identifier which identifies the particular event notification its reported state for the `conditionNode` is to be acknowledged. |
| `comment` | [OpcText](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctext/) | The text to apply on the condition. |

**Exceptions**

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

### Confirm

<span class="api-meta">static · 2 overloads</span>

| Overload | Description |
|---|---|
| [Confirm(OpcAcknowledgeableConditionNode, OpcClient, OpcText)](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcacknowledgeableconditionnodeextension/members#confirm-opc-uafx-opcacknowledgeableconditionnode-opc-uafx-client-opcclient-opc-uafx-opctext)<span class="api-meta">static</span> | Confirms 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) of the `conditionNode` specified there the [IsConfirmedNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#isconfirmednode) is equals to its false state using the further specified `client`. |
| [Confirm(OpcAcknowledgeableConditionNode, OpcClient, byte\[\], OpcText)](#confirm-opc-uafx-opcacknowledgeableconditionnode-opc-uafx-client-opcclient-system-byte-array-opc-uafx-opctext)<span class="api-meta">static</span> | Confirms an event notification which can be identified by the `eventId` on the `conditionNode` specified there the [IsConfirmedNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#isconfirmednode) is equals to its false state using the further specified `client`. |

**Exceptions (all overloads)**

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

#### Confirm(OpcAcknowledgeableConditionNode, OpcClient, OpcText)

<span class="api-meta">static</span>

Confirms 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) of the `conditionNode` specified there the [IsConfirmedNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#isconfirmednode) is equals to its false state using the further specified `client`.

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

```csharp
public static void Confirm(
    this OpcAcknowledgeableConditionNode conditionNode,
    OpcClient client,
    OpcText comment)
```

</div>

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

```vbnet
Public Shared Sub Confirm(
    conditionNode As OpcAcknowledgeableConditionNode,
    client As OpcClient,
    comment As OpcText)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `conditionNode` | [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) | The [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) its 'Confirm' method node is to be called. |
| `client` | [OpcClient](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/) | The [OpcClient](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/) to use to call the method. |
| `comment` | [OpcText](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctext/) | The text to apply on the condition. |

**Exceptions**

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

#### Confirm(OpcAcknowledgeableConditionNode, OpcClient, byte\[\], OpcText)

<span class="api-meta">static</span>

Confirms an event notification which can be identified by the `eventId` on the `conditionNode` specified there the [IsConfirmedNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/members#isconfirmednode) is equals to its false state using the further specified `client`.

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

```csharp
public static void Confirm(
    this OpcAcknowledgeableConditionNode conditionNode,
    OpcClient client,
    byte[] eventId,
    OpcText comment)
```

</div>

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

```vbnet
Public Shared Sub Confirm(
    conditionNode As OpcAcknowledgeableConditionNode,
    client As OpcClient,
    eventId As Byte(),
    comment As OpcText)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `conditionNode` | [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) | The [OpcAcknowledgeableConditionNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcacknowledgeableconditionnode/) its 'Confirm' method node is to be called. |
| `client` | [OpcClient](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/) | The [OpcClient](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcclient/) to use to call the method. |
| `eventId` | [Byte](https://learn.microsoft.com/dotnet/api/system.byte)[] | The identifier which identifies the particular event notification its reported state for the `conditionNode` is to be confirmed. |
| `comment` | [OpcText](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opctext/) | The text to apply on the condition. |

**Exceptions**

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