24.4. 親タグ

<tags>
    <tag id="-1" href="/ovirt-engine/api/tags/-1">
        <name>root</name>
        <description>root</description>
        <parent>
            <tag id="-1" href="/ovirt-engine/api/tags/-1"/>
        </parent>
    </tag>
    <tag id="f436ebfc-67f2-41bd-8ec6-902b6f7dcb5e"
      href="/ovirt-engine/api/tags/f436ebfc-67f2-41bd-8ec6-902b6f7dcb5e">
        <name>Finance</name>
        <description>Resources for the Finance department</description>
        <parent>
            <tag id="-1" href="/ovirt-engine/api/tags/-1"/>
        </parent>
    </tag>
    <tag id="ac18dabf-23e5-12be-a383-a38b165ca7bd"
      href="/ovirt-engine/api/tags/ac18dabf-23e5-12be-a383-a38b165ca7bd">
        <name>Billing</name>
        <description>Billing Resources</description>
        <parent>
            <tag id="f436ebfc-67f2-41bd-8ec6-902b6f7dcb5e"
              href="/ovirt-engine/api/tags/f436ebfc-67f2-41bd-8ec6-902b6f7dcb5e"/>
        </parent>
    </tag>
</tags>

root              (id: -1)
  - Finance       (id: f436ebfc-67f2-41bd-8ec6-902b6f7dcb5e)
      - Billing   (id: ac18dabf-23e5-12be-a383-a38b165ca7bd)