<xs:complexType name="FeatureZoneListType">
  <xs:annotation>
    <xs:documentation>The FeatureZonesType defines a list of feature zones.</xs:documentation>
  </xs:annotation>
  <xs:sequence>
    <xs:element ref="FeatureZone" maxOccurs="unbounded">
      <xs:annotation>
        <xs:documentation>Each FeatureZone element gives information about the zone of the feature used to define characteristic tolerance zones or datum target areas or to specify the meaning of a characteristic.</xs:documentation>
      </xs:annotation>
    </xs:element>
  </xs:sequence>
  <xs:attribute name="n" type="NaturalType" use="required">
    <xs:annotation>
      <xs:documentation>The required n attribute is the number of feature zones in the list.</xs:documentation>
    </xs:annotation>
  </xs:attribute>
</xs:complexType>

<xs:attribute name="n" type="NaturalType" use="required">
  <xs:annotation>
    <xs:documentation>The required n attribute is the number of feature zones in the list.</xs:documentation>
  </xs:annotation>
</xs:attribute>