The Assignments tab shows you all of the assignments in your projects. The results can be quite large, so this is a good place to use a filter. For example, the following screenshot illustrates using a filter to show only unassigned roles. These are the activities that need specific resources assigned to them.
On this same screen you can assign and alter resources. If you double-click on the A1000 activity as shown in the previous screenshot, the resource selection screen is displayed. You may then select a resource, which then assigns it to that activity.
There are a number of standard filters that come with P6 right out of the box. In ...