In Users tab. You can find Project Users, Client Users
Click Project Users from the sub-menu. Here you can find Add User icon in the right panel. Click Add User displays a Add User form.
This provides access to the project along with the selected role (like Manager, Employee, Admin etc).
An invite mail is sent to the project user along with the login credentials.
View of Project Users :
To send a message :
This sends the message for the selected users. By default a copy of the message sent is delivered to you.
To edit a project user :
This updates the user profile with new user role / projects.
To delete a project user :
If the Do you want to notify ? checkbox is selected. Then an autogenerated mail is sent to the user email address about he/she being removed from the project.