> For the complete documentation index, see [llms.txt](https://docs.digitalsamba.com/reference/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.digitalsamba.com/reference/sdk/methods/openwhiteboard.md).

# openWhiteboard()

Opens a concrete whiteboard. 

If no id is specified, then a new one is created, opened and added to the room library.

```javascript
sambaFrame.openWhiteboard('c0771004-c9fc-4308-be4f-6264d8e486af');
```

**Sample use case**: \
You may have a button in your application to control the whiteboard visibility.

Often used in conjunction with [closeWhiteboard()](/reference/sdk/methods/closewhiteboard.md).