Metacat

<?xml version="1.0"?>

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"

            targetNamespace="http://www.company.org"

    <xsd:include schemaLocation="./item.xsd"/>

    <xsd:complexType name="productType">

        <xsd:sequence>

           <xsd:element name="item" type="itemType" maxOccurs="unbounded"/>

        </xsd:sequence>

    </xsd:complexType>

</xsd:schema>