To Add a User

Follow these steps to add user to the project from a group of registered users.

Open Configuration.
From the Users & roles tile, click Manage. For example,

Manage Project Team members page appears.
Click Add Users.
Add Team Member(s) dialog appears. For example,

Tip: You can search for users by name or email, and add them to your project team. The dialog responds with a list of users found that match the search criteria.
Select a user to add, and select a Role from the list.
For example,
(Optional) Enter a Project invite message.
Click Add User(s) ( ).
The user is added.