Go to Integrations in the top-right corner of the webpage. In the left-hand menu, select Users. By clicking on Users, you will see all existing users in the system. Here, you can easily add either individual users or multiple users by clicking the appropriate option in the top-right corner, depending on how many you want to add.
Mandatory fields include email address and name (first and last name). Click Save, and the information will be added to the system under the Users tab. At the same time, an activation link will be sent to the newly created user