<?xml version="1.0" encoding="UTF-8"?>
<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="purchaseOrder">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="shipTo">
          <xs:complexType>
            <xs:sequence>
              <xs:element type="xs:string" name="name" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
              <xs:element type="xs:string" name="street" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
              <xs:element type="xs:string" name="city" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
              <xs:element type="xs:string" name="state" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
              <xs:element type="xs:int" name="zip" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
            </xs:sequence>
            <xs:attribute type="xs:string" name="country" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
          </xs:complexType>
        </xs:element>
        <xs:element name="billTo">
          <xs:complexType>
            <xs:sequence>
              <xs:element type="xs:string" name="name" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
              <xs:element type="xs:string" name="street" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
              <xs:element type="xs:string" name="city" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
              <xs:element type="xs:string" name="state" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
              <xs:element type="xs:int" name="zip" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
            </xs:sequence>
            <xs:attribute type="xs:string" name="country" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
          </xs:complexType>
        </xs:element>
        <xs:element type="xs:string" name="comment" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
        <xs:element name="items">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="item" maxOccurs="unbounded" minOccurs="0">
                <xs:complexType>
                  <xs:sequence>
                    <xs:element type="xs:string" name="productName" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
                    <xs:element type="xs:byte" name="quantity" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
                    <xs:element type="xs:float" name="USPrice" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
                    <xs:element type="xs:string" name="comment" minOccurs="0" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
                    <xs:element type="xs:date" name="shipDate" minOccurs="0" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
                  </xs:sequence>
                  <xs:attribute type="xs:string" name="partNum" use="optional" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
                </xs:complexType>
              </xs:element>
            </xs:sequence>
          </xs:complexType>
        </xs:element>
      </xs:sequence>
      <xs:attribute type="xs:date" name="orderDate" xmlns:xs="http://www.w3.org/2001/XMLSchema"/>
    </xs:complexType>
  </xs:element>
</xs:schema>