How to add a team member to the project

Go to Projects & services > Projects.
Select the project you want to add a new team member
In the Project space, go to Project team tab
From the View by filter select Other active users
Select the check box of the user you want to add as a new team member
Click Set team member

Note: When new team members are added, they will be automatically assigned to all tasks if the project has the setting “Automatically assign new team members to tasks”.