For this step, add the user names of users who will be permitted to assume this role.
After you have finished adding this role, you can always assign additional users. The most direct method is to click Action->Assign Administrative Role (in the Administrative Roles tool), and use the dialog box that opens. Or, use a Role Properties dialog box or a User Properties dialog box.
Note: Although roles have the same kinds of properties as users, you cannot add a role to a role.