<nodeTypes xmlns:exo="http://www.exoplatform.com/jcr/exo/1.0">
  <nodeType name="exo:activityInfo" isMixin="true" hasOrderableChildNodes="false" primaryItemName="">
    <propertyDefinitions>
      <propertyDefinition name="exo:activityId" requiredType="String" autoCreated="true" mandatory="false" onParentVersion="COPY" protected="false" multiple="false">
        <valueConstraints />
      </propertyDefinition>
    </propertyDefinitions>
  </nodeType>
</nodeTypes>