How configure uuid solr with Dataimporthandler

conf.xml

<!-- solrconfig.xml -->

<requestHandler name="/dataimport" class="org.apache.solr.handler.dataimport.DataImportHandler">
<lst name="defaults">
  <str name="config">data-config.xml</str>
  <str name="update.chain">uuid</str> <!-- ADD THIS LINE-->
</lst>
</requestHandler>

 <updateRequestProcessorChain name="uuid">
  <processor class="solr.UUIDUpdateProcessorFactory">
    <str name="fieldName">uuid</str>
  </processor>
  <processor class="solr.RunUpdateProcessorFactory" />
</updateRequestProcessorChain>` 

<!-- schema.xml -->
<field name="uuid" type="uuid" indexed="true" stored="true" required="true" />
<uniqueKey>uuid</uniqueKey>
<fieldType name="uuid" class="solr.UUIDField" indexed="true" />