You can use Lists in Projects to create Workflows which will allow members to follow processes from initiation to completion. Below are the steps to create a workflow.
Click on the menu of the list you want to add a workflow to and choose List settings.
Enter a Button Label. Then decide which list you want it to move to either the next one or a specific one. This is optional, but next decide how you want it assigned such as remain the same, assign it to someone else or change it to unassigned. Finally click on Save.