<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <!-- Define the bbgame element -->
   <xs:element name="player" maxOccurs="unbounded">
     <xs:complexType>
     <xs:attribute name="uni" type="xs:string" use="required"/>
     <xs:attribute name="pos" type="xs:string" use="required"/>
    <xs:attribute name="class" type="xs:string" use="required"/>
      <xs:attribute name="height" type="xs:string" use="required"/>
                  <xs:attribute name="name" type="xs:string" use="required"/>
                  <xs:attribute name="hometown" type="xs:string" use="required"/>
                </xs:complexType>
</xs:schema>