Task: Share the office event with vadubey@google.com through gmail.
Steps:
Go to the Office event
Click on Edit icon
Click on Add video conferencing option
Click on Save button at the top right corner
Go to the Office event
Click on the Share icon 
Click on Gmail at the bottom left corner
Enter the email address vadubey@google.com
Select vadubey@google.com
Click on Send icon at the top of the screen