# OpcEventSeverity Enum

<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>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

Defines the different indications of the urgency of an event.

## Syntax

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

```csharp
public enum OpcEventSeverity
```

</div>

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

```vbnet
Public Enum OpcEventSeverity
```

</div>

## Inheritance

[Object](https://learn.microsoft.com/dotnet/api/system.object) → [ValueType](https://learn.microsoft.com/dotnet/api/system.valuetype) → [Enum](https://learn.microsoft.com/dotnet/api/system.enum) → **OpcEventSeverity**

## Fields

| Name | Value | Description |
|---|---|---|
| <a id="high"></a>`High` | `900` | The event has high severity. |
| <a id="low"></a>`Low` | `100` | The event has low severity. |
| <a id="max"></a>`Max` | `1000` | The highest possible severity. |
| <a id="medium"></a>`Medium` | `500` | The event has medium severity. |
| <a id="mediumhigh"></a>`MediumHigh` | `700` | The event has medium high severity. |
| <a id="mediumlow"></a>`MediumLow` | `300` | The event has medium-low severity. |
| <a id="min"></a>`Min` | `1` | The lowest possible severity. |
| <a id="undefined"></a>`Undefined` | `0` | The event severity needs to be clarified. |

## Applies to

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