<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <xs:element name="root">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="el1" maxOccurs="unbounded" >
          <xs:complexType>
            <xs:sequence>
              <xs:element name="el2" type="xs:string"/>
            </xs:sequence>
            <xs:attribute name="uhh" type="xs:int"  use="required"/>
            <xs:attribute name="pp" type="xs:string" />
          </xs:complexType>
        </xs:element>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

</xs:schema>
