You can share a whiteboard with the attendees.  This allows those with permission to interact with the whiteboard by drawing on it, adding text, and uploading images to it.

 

To share a file:

1. Click the share icon (shaped like a monitor).
2. Click More.

 

3. Click on Whiteboard.

 

4. The whiteboard will open in the meeting space.
5. Select who can interact with the whiteboard by clicking on the share icon, then Manage Presentable Content.
6. On the Presentable Content screen, in the Whiteboard section, click the Permissions drop-down menu and select the appropriate group.
7. Save the Whiteboard by clicking on the More drop-down men, and then Save As in the Presentable Content screen.