gemfire-core/src/test/resources/com/gemstone/gemfire/cache30/coLocation3.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE cache PUBLIC "-//GemStone Systems, Inc.//GemFire Declarative Cache 7.0//EN" "http://www.gemstone.com/dtd/cache7_0.dtd">
<cache>
  <region-attributes id="ORDER_ATTS" data-policy="partition">
      <partition-attributes redundant-copies="1" local-max-memory="100" total-max-memory="500" total-num-buckets="113" colocated-with="Customer"/>
  </region-attributes>
  <region name="Customer">
    <region-attributes data-policy="partition">
      <partition-attributes redundant-copies="1" local-max-memory="100" total-max-memory="500" total-num-buckets="113" />
    </region-attributes>
  </region>
  <region name="Order" refid="ORDER_ATTS">
  </region>   
</cache>