title description ms.assetid keywords topic_type api_name api_type ms.topic ms.date api_location principalsType Complex Type Defines the child element for the Principals element. a501534b-eb0f-480f-a2c9-d2015262a9a7 principalsType complex type Task Scheduler apiref principalsType Schema reference 05/31/2018 principalsType Complex Type Defines the child element for the Principals element. <xs:complexType name="principalsType"> <xs:sequence> <xs:element name="Principal" type="principalType" maxOccurs="1" /> </xs:sequence> </xs:complexType> Child elements Element Type Description Principal principalType Specifies the security credentials for a principal. Requirements Requirement Value Minimum supported client Windows Vista [desktop apps only] Minimum supported server Windows Server 2008 [desktop apps only]