this

<?xml version="1.0" encoding="UTF-8"?>
<RuleSet name="Example_this"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:noNamespaceSchemaLocation=
"http://www.curamsoftware.com/CreoleRulesSchema.xsd">
  <Class name="Person">

    <!-- The pets owned by this Person -->
    <Attribute name="pets">
      <type>
        <javaclass name="List">
          <ruleclass name="Pet"/>
        </javaclass>
      </type>
      <derivation>
        <fixedlist>
          <listof>
            <ruleclass name="Pet"/>
          </listof>
          <members>
            <!-- Every Person has exactly two pets,
                 Skippy and Lassie -->
            <create ruleclass="Pet">
              <!-- set the owner to be THIS Person -->
              <this/>
              <String value="Skippy"/>
              <String value="Kangaroo"/>
            </create>
            <create ruleclass="Pet">
              <!-- set the owner to be THIS Person -->
              <this/>
              <String value="Lassie"/>
              <String value="Dog"/>
            </create>
          </members>
        </fixedlist>
      </derivation>
    </Attribute>

  </Class>

  <Class name="Pet">

    <Initialization>
      <Attribute name="owner">
        <type>
          <ruleclass name="Person"/>
        </type>
      </Attribute>
      <Attribute name="name">
        <type>
          <javaclass name="String"/>
        </type>
      </Attribute>
      <Attribute name="species">
        <type>
          <javaclass name="String"/>
        </type>
      </Attribute>
    </Initialization>

  </Class>

</RuleSet>