Step1: Create a Meeting Room.
Step2: Each room has some tools attached to it. 1st tool with the camera icon reads 'Record Session'. Click on it.
Step3: Turn ON the record button and start recording.
Step4: To use the whiteboard, click on the 2nd tool with the pen-paper icon. With this, you are free to use a whiteboard.
Step5: To stop using the whiteboard, click again over the whiteboard tool, and with this whiteboard will be disabled.