Let's assume the new resource is not yet in the system and we need to create this user.
On the sidebar click or in the Common Stuff area click the HR Management tile.
You'll see a screen like the one below.
Scroll below this until you see the resource addition sections. If the resource is already involved in the project they will be visible in the dropdown menu as an internal resource. Simply select the resource, select one or more roles, update the other fields as required and click .
If the resource is not already involved in the project use the screen below to locate the individual by username. Select one or more roles, update the other fields as required and click .