title: Delete multiple documents from an index in ElasticSearch with value of one of items - 7.8 version
body: <p>my doc in elsticsearch is like below</p>
  <pre><code>    &quot;hits&quot; : [
        {
          &quot;_index&quot; : &quot;MyIndex&quot;,
          &quot;_type&quot; : &quot;_doc&quot;,
          &quot;_id&quot; : &quot;Lxh7THMBycWRIeJFdwbZ&quot;,
          &quot;_score&quot; : 1.0,
          &quot;_source&quot; : {
            &quot;@timestamp&quot; : &quot;2020-07-14T13:10:26.087+0430&quot;,
            &quot;message&quot; : &quot;elk: customer inserted: id=5&quot;,
            &quot;traceId&quot; : &quot;ABC&quot;,
            &quot;severity&quot; : &quot;INFO&quot;,
            &quot;thread&quot; : &quot;http-nio-8095-exec-2&quot;
          }
        }
  ]
  </code></pre>
  <p>I want to delete All docs in one index that  &quot;traceId&quot; : &quot;ABC&quot; with java code.
  I use Elasticsearch 7.8 and my client is RestHighLevelClient.
  please guide me.</p>