Privat24 API "prp" response validation scheme

gistfile1.scm

<?xml version="1.0" encoding="UTF-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
    
 <xs:element name="response">
  <xs:complexType>
   <xs:sequence>   
   
    <xs:element name="merchant">
     <xs:complexType>
      <xs:sequence>
       <xs:element name="id" type="xs:string"/>
       <xs:element name="signature" type="xs:string"/>
      </xs:sequence>
     </xs:complexType>
    </xs:element> 
    
    <xs:element name="data">
     <xs:complexType>
      <xs:sequence> 
      
       <xs:element name="oper" type="xs:string" fixed="prp"/>
       
       <xs:element name="props">
        <xs:complexType>
         <xs:sequence> 
         
          <xs:element name="prop" minOccurs="1" maxOccurs="unbounded">
           <xs:complexType>
            <xs:sequence>
                
             <xs:element name="value" minOccurs="0" maxOccurs="unbounded">
              <xs:complexType mixed="true">
               <xs:attribute name="desc" type="xs:string" use="required"/>
              </xs:complexType> 
             </xs:element>
                
            </xs:sequence>
            
            <xs:attribute name="desc" type="xs:string" use="required" />
            <xs:attribute name="name" type="xs:string" use="required" />
                
            <xs:attribute name="type" use="required">
             <xs:simpleType>
              <xs:restriction base="xs:string">
               <xs:enumeration value="txt"/>
               <xs:enumeration value="txtar"/>
               <xs:enumeration value="int"/>
               <xs:enumeration value="list"/>
               <xs:enumeration value="amt"/>
               <xs:enumeration value="date"/>
              </xs:restriction>
             </xs:simpleType>
            </xs:attribute>             
            
            <xs:attribute name="size" type="xs:integer" use="required" />
            <xs:attribute name="value" type="xs:string" use="optional" />
           </xs:complexType>    
  
          </xs:element> 
          
         </xs:sequence>
        </xs:complexType> 
       </xs:element>  
       
      </xs:sequence>
     </xs:complexType>    
    </xs:element>    
    
   </xs:sequence> 
   
   <xs:attribute name="version" type="xs:string" default="1.0" use="optional"/>
   
  </xs:complexType>
 </xs:element> 
</xs:schema>