<xs:element name="MyReport" type="MyReportType" />
<xs:complexType name="MyReportType">
  <xs:all>
    <xs:element name="Header" type="HeaderType" />
    <xs:element name="Values" type="ValuesType" />
    <xs:element name="Events" type="EventsType" />
  </xs:all>
</xs:complexType>

<MyReport>
  <Header />
  <Values />
  <Events />
</MyReport>