<xs:complexType> <xs:sequence> <xs:choice id="entries" maxOccurs="unbounded" minOccurs="0"> <xs:element maxOccurs="1" minOccurs="0" name="customAttributes" type="customAttributes"/> <xs:element maxOccurs="1" minOccurs="0" name="context" type="context"/> <xs:element maxOccurs="unbounded" minOccurs="0" name="group" type="group"/> </xs:choice> </xs:sequence> <xs:attribute name="version" type="xs:string" use="required">
</xs:attribute>
<xs:attribute name="measurementId" type="xs:string" use="required">
</xs:attribute>
<xs:attribute name="timestampStart" type="xs:dateTime" use="required">
</xs:attribute>
<xs:attribute name="duration" type="xs:float" use="optional">
</xs:attribute>
<xs:attribute name="comment" type="xs:string" use="optional">
</xs:attribute>
</xs:complexType>