Provides classes that can be used to associate user identifiers (IDs) with security groups for Windows SharePoint Services Web site permissions.

User IDs are validated against Active Directory Domain Services (AD°DS) as well as various role or membership providers. SPGroup security information may also be stored in a collection of cross-site groups for the site collection.

Classes

---

	Class	Description
	People	Provides methods that enable people to use SharePoint sites securely.

Structures

---

	Structure	Description
	PrincipalInfo	Contains information that represents the user of a SharePoint site.

Enumerations

---

	Enumeration	Description
	SPPrincipalType	Specifies the scope and other information that is associated with a computer or user name that is maintained and authenticated by Active Directory Domain Services (AD DS).