# OpcHistoryModificationInfo Class

<dl class="api-definition">
<dt>Namespace</dt>
<dd><a href="../namespaces/opc.uafx">Opc.UaFx</a></dd>
<dt>Assembly</dt>
<dd>Opc.UaFx.Advanced.dll</dd>
<dt>Package</dt>
<dd>Opc.UaFx.Advanced v2.59.0</dd>
<dt>Members</dt>
<dd><a href="./members">OpcHistoryModificationInfo Members</a></dd>
<dt>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

Represents the information about a modification of the history of a node: the kind and the time of the modification and the user who made it.

## Syntax

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

```csharp
public class OpcHistoryModificationInfo
```

</div>

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

```vbnet
Public Class OpcHistoryModificationInfo
```

</div>

## Inheritance

[Object](https://learn.microsoft.com/dotnet/api/system.object) → **OpcHistoryModificationInfo**

## Constructors

| Name | Description |
|---|---|
| [OpcHistoryModificationInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistorymodificationinfo/members#opchistorymodificationinfo)<span class="api-meta">3 overloads</span> | Initializes a new instance of the OpcHistoryModificationInfo class using the `type` specified, whose [Time](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistorymodificationinfo/members#time) is the current time (UTC). |

## Properties

| Name | Description |
|---|---|
| [Time](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistorymodificationinfo/members#time) | Gets the time of the modification. |
| [Type](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistorymodificationinfo/members#type) | Gets the kind of the modification. |
| [UserName](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistorymodificationinfo/members#username) | Gets the name of the user who made the modification. |

## Methods

| Name | Description |
|---|---|
| [ToString](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opchistorymodificationinfo/members#tostring)<span class="api-meta">override</span> | Returns a string that represents the modification information. |

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.5–v2.59 |