# OpcHistoryConfigurationNode Members

> Reference: Defines the general characteristics of a node that defines the historical configuration of any historical data node that is defined to contain history.

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

### OpcHistoryConfigurationNode

<span class="api-meta">14 overloads</span>

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

#### OpcHistoryConfigurationNode()

Initializes a new instance of the [OpcHistoryConfigurationNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/) class.

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

```csharp
public OpcHistoryConfigurationNode()
```

</div>

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

```vbnet
Public Sub New()
```

</div>

#### OpcHistoryConfigurationNode(OpcNodeModel)

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

Initializes a new instance of the [OpcHistoryConfigurationNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/) class.

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

```csharp
public OpcHistoryConfigurationNode(OpcNodeModel model)
```

</div>

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

```vbnet
Public Sub New(model As OpcNodeModel)
```

</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 object node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the object node. |

#### OpcHistoryConfigurationNode(OpcName)

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

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

```csharp
public OpcHistoryConfigurationNode(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 history configurtion node can be accessed. |

#### OpcHistoryConfigurationNode(OpcNodeModel, OpcName)

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

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

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

```csharp
public OpcHistoryConfigurationNode(OpcNodeModel model, OpcName name)
```

</div>

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

```vbnet
Public 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 object node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the object 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 history configurtion node can be accessed. |

#### OpcHistoryConfigurationNode(OpcName, OpcNodeId)

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

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

```csharp
public OpcHistoryConfigurationNode(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 history configurtion 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 history configurtion node can be identified and accessed. |

#### OpcHistoryConfigurationNode(OpcNodeModel, OpcName, OpcNodeId)

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

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

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

```csharp
public OpcHistoryConfigurationNode(
    OpcNodeModel model,
    OpcName name,
    OpcNodeId id)
```

</div>

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

```vbnet
Public 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 object node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the object 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 history configurtion 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 history configurtion node can be identified and accessed. |

#### OpcHistoryConfigurationNode(IOpcNode)

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

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

```csharp
public OpcHistoryConfigurationNode(IOpcNode parent)
```

</div>

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

```vbnet
Public Sub New(parent As IOpcNode)
```

</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. |

#### OpcHistoryConfigurationNode(OpcNodeModel, IOpcNode)

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

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

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

```csharp
public OpcHistoryConfigurationNode(OpcNodeModel model, IOpcNode parent)
```

</div>

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

```vbnet
Public Sub New(model As OpcNodeModel, parent As IOpcNode)
```

</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 object node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the object 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. |

#### OpcHistoryConfigurationNode(IOpcNode, OpcName)

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

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

```csharp
public OpcHistoryConfigurationNode(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 history configurtion node can be accessed. |

#### OpcHistoryConfigurationNode(OpcNodeModel, IOpcNode, OpcName)

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

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

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

```csharp
public OpcHistoryConfigurationNode(
    OpcNodeModel model,
    IOpcNode parent,
    OpcName name)
```

</div>

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

```vbnet
Public 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 object node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the object 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 history configurtion node can be accessed. |

#### OpcHistoryConfigurationNode(IOpcNode, OpcName, OpcNodeId)

Initializes a new instance of the [OpcHistoryConfigurationNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/) 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 OpcHistoryConfigurationNode(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 history configurtion 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 history configurtion node can be identified and accessed. |

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

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

Initializes a new instance of the [OpcHistoryConfigurationNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/) 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 OpcHistoryConfigurationNode(
    OpcNodeModel model,
    IOpcNode parent,
    OpcName name,
    OpcNodeId id)
```

</div>

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

```vbnet
Public 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 object node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the object 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 history configurtion 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 history configurtion node can be identified and accessed. |

#### OpcHistoryConfigurationNode(HistoricalDataConfigurationState)

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

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

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

```csharp
protected OpcHistoryConfigurationNode(HistoricalDataConfigurationState content)
```

</div>

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

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

</div>

**Parameters**

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

#### OpcHistoryConfigurationNode(HistoricalDataConfigurationState, OpcNodeModel)

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

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

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

```csharp
protected OpcHistoryConfigurationNode(
    HistoricalDataConfigurationState content,
    OpcNodeModel model)
```

</div>

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

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

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `content` | <abbr title="OPC Foundation stack type, not documented here: Opc.Ua.HistoricalDataConfigurationState">HistoricalDataConfigurationState</abbr> | The <abbr title="OPC Foundation stack type, not documented here: Opc.Ua.HistoricalDataConfigurationState">HistoricalDataConfigurationState</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 object node or a null reference (Nothing in Visual Basic) if there are no directives are to be applied to the object node. |

**Exceptions**

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

## Properties

### AggregateConfiguration

Gets the node used as the browse entry point for information on how the server treats aggregate specific functionality such as handling uncertain data.

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

```csharp
public OpcAggregateConfigurationNode AggregateConfiguration { get; }
```

</div>

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

```vbnet
Public ReadOnly Property AggregateConfiguration As OpcAggregateConfigurationNode
```

</div>

**Property value**

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

An instance of the [OpcAggregateConfigurationNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcaggregateconfigurationnode/) for information on how the server treats aggregate specific functionality.

### AggregateFunctions

Gets the node used as an entry point to browse to all aggregate capabilities supported by the server for historical access.

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

```csharp
public OpcFolderNode AggregateFunctions { get; }
```

</div>

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

```vbnet
Public ReadOnly Property AggregateFunctions As OpcFolderNode
```

</div>

**Property value**

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

An instance of the [OpcFolderNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcfoldernode/) with all history aggregates supported by the server. If the server does not support aggregates then the folder is left empty.

### 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.opcobjectnode/members#defaulttypedefinitionid)

### Definition

Gets or sets is a vendor-specific, human readable string that specifies how the value of this historical data node is calculated.

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

```csharp
public string Definition { get; set; }
```

</div>

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

```vbnet
Public Property Definition As String
```

</div>

**Property value**

[String](https://learn.microsoft.com/dotnet/api/system.string)

A non-localized value which will often contain an equation that can be parsed by certain client.

### DefinitionNode

Gets the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) of the [Definition](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/members#definition) property.

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

```csharp
public OpcPropertyNode<string> DefinitionNode { get; }
```

</div>

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

```vbnet
Public ReadOnly Property DefinitionNode As OpcPropertyNode(Of String)
```

</div>

**Property value**

[OpcPropertyNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/)&lt;[String](https://learn.microsoft.com/dotnet/api/system.string)&gt;

An instance of the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) class.

### ExceptionDeviation

Gets or sets a value which specifies the minimum amount that the data for the historical data node must change in order for the change to be reported to the history database.

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

```csharp
public double ExceptionDeviation { get; set; }
```

</div>

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

```vbnet
Public Property ExceptionDeviation As Double
```

</div>

**Property value**

[Double](https://learn.microsoft.com/dotnet/api/system.double)

The minimum amount that the data node must change in order for the change to be reported to the history database.

### ExceptionDeviationFormat

Gets or sets the format how the [ExceptionDeviation](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/members#exceptiondeviation) is determined.

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

```csharp
public OpcExceptionDeviationFormat ExceptionDeviationFormat { get; set; }
```

</div>

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

```vbnet
Public Property ExceptionDeviationFormat As OpcExceptionDeviationFormat
```

</div>

**Property value**

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

One of the members defined by the [OpcExceptionDeviationFormat](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcexceptiondeviationformat/) enumeration.

### ExceptionDeviationFormatNode

Gets the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) of the [ExceptionDeviationFormat](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/members#exceptiondeviationformat) property.

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

```csharp
public OpcPropertyNode<ExceptionDeviationFormat> ExceptionDeviationFormatNode { get; }
```

</div>

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

```vbnet
Public ReadOnly Property ExceptionDeviationFormatNode As OpcPropertyNode(Of ExceptionDeviationFormat)
```

</div>

**Property value**

[OpcPropertyNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/)&lt;<abbr title="OPC Foundation stack type, not documented here: Opc.Ua.ExceptionDeviationFormat">ExceptionDeviationFormat</abbr>&gt;

An instance of the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) class.

### ExceptionDeviationNode

Gets the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) of the [ExceptionDeviation](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/members#exceptiondeviation) property.

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

```csharp
public OpcPropertyNode<double> ExceptionDeviationNode { get; }
```

</div>

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

```vbnet
Public ReadOnly Property ExceptionDeviationNode As OpcPropertyNode(Of Double)
```

</div>

**Property value**

[OpcPropertyNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/)&lt;[Double](https://learn.microsoft.com/dotnet/api/system.double)&gt;

An instance of the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) class.

### MaxTimeInterval

Gets or sets which specifies the maximum interval between data points in the history repository regardless of their value change.

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

```csharp
public double MaxTimeInterval { get; set; }
```

</div>

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

```vbnet
Public Property MaxTimeInterval As Double
```

</div>

**Property value**

[Double](https://learn.microsoft.com/dotnet/api/system.double)

The maximum interval between data points.

### MaxTimeIntervalNode

Gets the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) of the [MaxTimeInterval](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/members#maxtimeinterval) property.

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

```csharp
public OpcPropertyNode<double> MaxTimeIntervalNode { get; }
```

</div>

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

```vbnet
Public ReadOnly Property MaxTimeIntervalNode As OpcPropertyNode(Of Double)
```

</div>

**Property value**

[OpcPropertyNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/)&lt;[Double](https://learn.microsoft.com/dotnet/api/system.double)&gt;

An instance of the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) class.

### MinTimeInterval

Gets or sets which specifies the minimum interval between data points in the history repository regardless of their value change.

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

```csharp
public double MinTimeInterval { get; set; }
```

</div>

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

```vbnet
Public Property MinTimeInterval As Double
```

</div>

**Property value**

[Double](https://learn.microsoft.com/dotnet/api/system.double)

The minimum interval between data points.

### MinTimeIntervalNode

Gets the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) of the [MinTimeInterval](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/members#mintimeinterval) property.

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

```csharp
public OpcPropertyNode<double> MinTimeIntervalNode { get; }
```

</div>

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

```vbnet
Public ReadOnly Property MinTimeIntervalNode As OpcPropertyNode(Of Double)
```

</div>

**Property value**

[OpcPropertyNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/)&lt;[Double](https://learn.microsoft.com/dotnet/api/system.double)&gt;

An instance of the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) class.

### StartOfArchive

Gets or sets a value which specifies the date before which there is no data in the archive either online or offline.

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

```csharp
public DateTime StartOfArchive { get; set; }
```

</div>

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

```vbnet
Public Property StartOfArchive As Date
```

</div>

**Property value**

[DateTime](https://learn.microsoft.com/dotnet/api/system.datetime)

The [DateTime](https://learn.microsoft.com/dotnet/api/system.datetime) before which there is no data in the archive either online or offline.

### StartOfArchiveNode

Gets the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) of the [StartOfArchive](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/members#startofarchive) property.

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

```csharp
public OpcPropertyNode<DateTime> StartOfArchiveNode { get; }
```

</div>

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

```vbnet
Public ReadOnly Property StartOfArchiveNode As OpcPropertyNode(Of Date)
```

</div>

**Property value**

[OpcPropertyNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/)&lt;[DateTime](https://learn.microsoft.com/dotnet/api/system.datetime)&gt;

An instance of the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) class.

### StartOfOnlineArchive

Gets or sets a value which specifies the date of the earliest data in the online archive.

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

```csharp
public DateTime StartOfOnlineArchive { get; set; }
```

</div>

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

```vbnet
Public Property StartOfOnlineArchive As Date
```

</div>

**Property value**

[DateTime](https://learn.microsoft.com/dotnet/api/system.datetime)

The [DateTime](https://learn.microsoft.com/dotnet/api/system.datetime) of the date of the earliest data in the online archive.

### StartOfOnlineArchiveNode

Gets the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) of the [StartOfOnlineArchive](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/members#startofonlinearchive) property.

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

```csharp
public OpcPropertyNode<DateTime> StartOfOnlineArchiveNode { get; }
```

</div>

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

```vbnet
Public ReadOnly Property StartOfOnlineArchiveNode As OpcPropertyNode(Of Date)
```

</div>

**Property value**

[OpcPropertyNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/)&lt;[DateTime](https://learn.microsoft.com/dotnet/api/system.datetime)&gt;

An instance of the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) class.

### Stepped

Gets or sets a value indicating whether the historical data was collected in such a manner that it should be displayed as sloped interpolation (sloped line between points) or as stepped interpolation (vertically-connected horizontal lines between points) when raw data is examined.

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

```csharp
public bool Stepped { get; set; }
```

</div>

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

```vbnet
Public Property Stepped As Boolean
```

</div>

**Property value**

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

A value of true indicates stepped interpolation mode. A value equals false indicates sloped interpolated mode. The default value is false.

**Remarks**

This property also effects how some aggregates are calculated.

### SteppedNode

Gets the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) of the [Stepped](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/members#stepped) property.

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

```csharp
public OpcPropertyNode<bool> SteppedNode { get; }
```

</div>

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

```vbnet
Public ReadOnly Property SteppedNode As OpcPropertyNode(Of Boolean)
```

</div>

**Property value**

[OpcPropertyNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/)&lt;[Boolean](https://learn.microsoft.com/dotnet/api/system.boolean)&gt;

An instance of the [OpcPropertyNode&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcpropertynode-1/) class.

## Methods

### InitializeDefaults

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

Initializes the default values used by the [OpcHistoryConfigurationNode](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistoryconfigurationnode/).

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

```csharp
protected override void InitializeDefaults()
```

</div>

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

```vbnet
Protected Overrides Sub InitializeDefaults()
```

</div>

**Overrides**

[InitializeDefaults](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcinstancenode/members#initializedefaults)

**Remarks**

This method is used to ensure the availability of appropriate node specific default values. For more information like when this method is to be overwritten see [InitializeDefaults](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnode/members#initializedefaults).