An element which allows an API applications to organize and store data.

An object stored in the Extensible Storage framework. An Entity is described by a Schema, which serves both to identify an Entity, and to describe its contents (Fields).

A filter used to filter elements with extensible storage data based on specific Schema id.

The description of a field within a Schema in the Extensible Storage framework. Contains the field's name, type, access control and documentation.

This class is used to create Fields in the Extensible Storage framework.

The description of a single object (Entity) in the Extensible Storage framework. Contains identity information, documentation and the list of fields to be stored in the Entity.

This class is used to create Schemas in the Extensible Storage framework.

Defines access levels to objects in the Extensible Storage framework.

An enumerated type indicating if the field represents a single value or a container of multiple values.