Specifies the types of roles that are available for users and groups.
Enumeration whose values specify that there are no rights on the Web site. The value = 0.
Has limited rights to view pages and specific page elements. This role is used to give users access to a particular page, list, or item in a list, without granting rights to view the entire site. Users cannot be added explicitly to the Guest role; users who are given access to lists or document libraries by way of per-list permissions are added automatically to the Guest role. The Guest role cannot be customized or deleted. The value = 1.
Has rights to view items, personalize Web parts, use alerts, and create a top-level Web site using Self-Service Site Creation. A reader can only read a site; the reader cannot add content. When a reader creates a site using Self-Service Site Creation, the reader becomes the site owner and a member of the Administrator role for the new site. This does not affect the user's role membership for any other site. Rights included: CreateSSCSite, ViewListItems, ViewPages. The value = 2.
Has Reader rights, plus rights to add items, edit items, delete items, manage list permissions, manage personal views, personalize Web Part Pages, and browse directories. Includes all rights in the Reader role, plus the following: AddDelPrivateWebParts, AddListItems, BrowseDirectories, CreatePersonalGroups, DeleteListItems, EditListItems, ManagePersonalViews, UpdatePersonalWebParts. Contributors cannot create new lists or document libraries, but they can add content to existing lists and document libraries. The value = 3.
Has Contributor rights, plus rights to cancel check out, delete items, manage lists, add and customize pages, define and apply themes and borders, and link style sheets. Includes all rights in the Contributor role, plus the following: AddAndCustomizePages, ApplyStyleSheets, ApplyThemeAndBorder, CancelCheckout, ManageLists.WebDesigners can modify the structure of the site and create new lists or document libraries. The value = 4.
Has all rights from other roles, plus rights to manage roles and view usage analysis data. Includes all rights in the WebDesigner role, plus the following: ManageListPermissions, ManageRoles, ManageSubwebs, ViewUsageData. The Administrator role cannot be customized or deleted, and must always contain at least one member. Members of the Administrator role always have access to, or can grant themselves access to, any item in the Web site. The value = 5.