Whiteboards can be used for drawing, collaborating, and sharing.

Create a Whiteboard Page
To create a whiteboard page, create a new page that has a single button and select the Whiteboard button action.
Select Menu and Edit Page.
Select the button you want to link to your whiteboard page. Select Edit This Button.
Add a label, scroll to the Button Actions section, and replace the existing action with Navigate.
Select the plus + at the top right to add a whiteboard page.
Enter a page name and select 1 Row and 1 Column.
Select Save, select No Animation, and select Save again.
Select Done to exit edit mode and select the button to navigate to the new whiteboard page.
Select Menu, select Edit Page, and select Create New Button.
Scroll to the Button Actions section of the Edit Button window and replace the Speech Message action with the Whiteboard action.
Select Save. Select Done to exit edit mode.
Use the Whiteboard tools at the top of the page to draw.
Whiteboard Tools

Back
Select Back to return to the page that includes the button that links to the whiteboard.
Whiteboard
Select Whiteboard to open a menu. Tap the whiteboard outside the drawing to close a menu. When there is no drawing on the whiteboard, the options are Color, Width, Save, and Load.
Color: Select Black, Red, Green, Blue, or Yellow.
Width: Select Thin, Normal, or Thick to set the width (thickness) of the next line you draw.
Save: Save the current drawing.
Load: Load a saved drawing.
When a drawing is on the whiteboard, additional options are available: Clear, Undo, and Erase.
Clear: Remove the entire drawing.
Undo: Remove the most recent addition or change.
Erase: Remove a portion of the drawing. When you select Erase, the eraser is selected.
Undo arrow 
Use the undo arrow to undo the most recent addition or change to a drawing.
Erase tool 
Use the erase tool erase a portion of a drawing. Select this tool and then tap any portion of the drawing to erase it. You can also drag across a portion of the drawing to erase that portion. To change the width of the eraser, tap the control once to change the width from Thin to Normal; tap the control again to change the width to Thick.
Color selection tool 
Use the color selection tool to select the color of the next line you draw. When a color is selected, the color rectangle changes to a triangle. The width of the triangle changes when you change the Width setting.
Menu
Select Menu > Settings and scroll to the Whiteboard section to change the Whiteboard settings.
Adjust Whiteboard Settings
To change any of the Whiteboard settings, select Menu > Settings and scroll to the Whiteboard section.
Disable drawing in split view
When this setting is on, you cannot draw on the whiteboard page when split view is enabled in iOS.
Scale drawing in split view
When this setting is on, whiteboard drawings are scaled according to the relative size of the app page when split view is enabled in iOS.
Reload last drawing
When this setting is on, the most recent drawing made on the whiteboard appears when you open Whiteboard.
Autosave drawing
When this setting is on, whiteboard drawings are saved automatically.