User Management allows you to add users and manage their usage rights for the entire notebook. To access this feature, click the triple bar icon in the top right and select "Notebook Settings".
Click on the second tab, "User Management" and the User Management tool will appear as follows:
At the top right-hand corner, click on the Add User Icon ( ) and simply enter the email for the person you wish to add to the notebook. Once you click on the Add User, you will see their name appear in the section below, where you can manage their role.
For more information about managing your users, click on any of the article links below:
Removing Users From Your Notebook
Manage My Account
Roles and Privileges