3.1.4.1.2.8 ac:ContextItem

The <ac:ContextItem> element is defined in [WSFederation]. It is a child element of <ac:AdditionalContext> and is used to provide additional information in a wst:RequestSecurityToken message. See sections 3.1.4.1.1.1 and 3.1.4.1.1.2 for additional requirements.