The workflow is related to the views and roles in the workspace. By applying a workflow to a view and assigning it to a role, you can control what users who have that role can do in the transfer of states. Only a few views that are based on the Projects module use the workflow. For views that use the workflow, your access levels for both the view and the workflow affect what you can see and do.
When you add a new attribute to the Projects module, you must first update all views based on these modules to set up the attribute access. Because several views have a workflow applied to them, you must also update the attribute access rights in the workflow definition. By default, a new attribute is set to be editable. You must edit each state in the workflow, set the access rights for the new attribute, and save your changes. However, you do not need to update the transitions.