Represents represents the collection of custom document properties.
      
<CustomDocumentProperties />
    | Element type | Anonymous | 
| Namespace | urn:schemas-microsoft-com:office:office | 
| Schema name | Common Properties | 
None.
None.
      
<xsd:element name="CustomDocumentProperties" >
  <xsd:complexType>
    <xsd:sequence>
      <xsd:any processContents="lax" namespace="##targetNamespace" minOccurs="1" maxOccurs="unbounded"></xsd:any>
    </xsd:sequence>
  </xsd:complexType>
</xsd:element>