Unable to parse the xml tag and create a field in Elastic Search

Elastic Stack Logstash
3

@Badger below is the content of the message in the stdout

"message" => "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Document>\n    <student> \n        <Id>12345678</Id>\n    </student>\n <recordTarget>\n <role> \n
                   .....
                  ...... have multiple internal tags....
          </role>\n </recordTarget>\n </Document>\n"