WorkItem is an abstract class representing either a browser interview OR an assembled document.
Work Sessions (also known as assembly queues) in the Open SDK are composed of one or more WorkItems.
Inheritance Hierarchy

HotDocs.Sdk.Server WorkItem
HotDocs.Sdk.Server DocumentWorkItem
HotDocs.Sdk.Server InterviewWorkItem
Namespace: HotDocs.Sdk.Server
Assembly: HotDocs.Sdk.Server (in HotDocs.Sdk.Server.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax
See Also