## Notation.SystemId property

The system identifier of this notation. If the system identifier was not specified, this is null. This may be an absolute URI or not.

```csharp
public string SystemId { get; }
```

### Property Value

The system identifier.

### See Also

* class [Notation](../)
* namespace [Aspose.Html.Dom](../../../aspose.html.dom/)
* assembly [Aspose.HTML](../../../)