<fieldGroup> (Field Group Properties)

example:

…
  <fieldGroup par="6" base="0">
    <rangePr groupBy="months" startDate="2002-01-01T00:00:00"
      endDate="2006-05-06T00:00:00"/>
    <groupItems count="14">
      <s v="&lt;1/1/2002"/>
      <s v="Jan"/>
      <s v="Feb"/>
      <s v="Mar"/>
      <s v="Apr"/>
      <s v="May"/>
      <s v="Jun"/>
      <s v="Jul"/>
      <s v="Aug"/>
      <s v="Sep"/>
      <s v="Oct"/>
      <s v="Nov"/>
      <s v="Dec"/>
      <s v="&gt;5/6/2006"/>
    </groupItems>
  </fieldGroup>
</cacheField>
<cacheField name="Name" numFmtId="0">
  <sharedItems count="4">
    <s v="Joe"/>
    <s v="John"/>
    <s v="Bob"/>
    <s v="Robert"/>
  </sharedItems>
  <fieldGroup par="4"/>
</cacheField>
<cacheField name="ProductID" numFmtId="0">
  <sharedItems containsSemiMixedTypes="0" containsString="0" containsNumber="1"
    containsInteger="1" minValue="1" maxValue="4" count="4">
    <n v="1"/>
    <n v="2"/>
    <n v="3"/>
    <n v="4"/>
  </sharedItems>
  <fieldGroup base="2">
    <rangePr startNum="1" endNum="4" groupInterval="2"/>
    <groupItems count="4">
      <s v="&lt;1"/>
      <s v="1-2"/>
      <s v="3-4"/>
      <s v="&gt;5"/>
    </groupItems>
  </fieldGroup>
…

<complexType name="CT_FieldGroup">
	<sequence>
	<element name="rangePr" minOccurs="0" type="CT_RangePr"/>
	<element name="discretePr" minOccurs="0" type="CT_DiscretePr"/>
	<element name="groupItems" minOccurs="0" type="CT_GroupItems"/>
	</sequence>
	<attribute name="par" type="xsd:unsignedInt" use="optional"/>
	<attribute name="base" type="xsd:unsignedInt" use="optional"/>
</complexType>