## updateThumbnail(options) {#thumbnailgeneratingoptions}

Updates [BuiltInDocumentProperties.thumbnail](../../../aspose.words.properties/builtindocumentproperties/thumbnail/) of the document according to the specified options.



```js
updateThumbnail(options: Aspose.Words.Rendering.ThumbnailGeneratingOptions)
```

| Parameter | Type | Description |
| --- | --- | --- |
| options | [ThumbnailGeneratingOptions](../../../aspose.words.rendering/thumbnailgeneratingoptions/) | The generating options to use. |

### Remarks

The [ThumbnailGeneratingOptions](../../../aspose.words.rendering/thumbnailgeneratingoptions/) allows you to specify the source of thumbnail, size and other options.
If attempt to generate thumbnail fails, doesn't change one.



## updateThumbnail() {#default}

Updates [BuiltInDocumentProperties.thumbnail](../../../aspose.words.properties/builtindocumentproperties/thumbnail/) of the document using default options.



```js
updateThumbnail()
```

## See Also

* module [Aspose.Words](../../)
* class [Document](../)