You can add a new user (technician) by clicking on + Add user. Enter the login name and password of a given technician on the page that appears. Since every single user has to belong to a certain group (with a given set of rights), assign this technician to a particular group. Furthermore, you can add a note to them. Finish the process by clicking on Save.

The overview of users contains the following details: user, group and note.

You can edit a particular user by clicking on the icon.

You can delete a particular user by clicking on the icon.