<?xml version="1.0" encoding="UTF-8"?>
<model>
  <entity name="alert-policy" root="true">
    <entity-ref name="type" type="list" names="types" />
  </entity>
  <entity name="type">
    <attribute name="id" value-type="String" />
    <entity-ref name="group" type="list" names="groups" />
  </entity>
  <entity name="group">
    <attribute name="id" value-type="String" />
    <entity-ref name="level" type="list" names="levels" />
  </entity>
  <entity name="level">
    <attribute name="id" value-type="String" />
    <attribute name="send" value-type="String" />
    <attribute name="suspendMinute" value-type="int" />
  </entity>
</model>