how can i use aggregation in logstash-elasticsearch filter plugin

Question

if[type] == "mytype"    {       elasticsearch       {
                hosts => ["192.168.1.1:9200"]
                index => "my_index"
                query_template => "/logstash/my_query.json"
                 aggregation_fields => 
                 {
                 "seqnumber" => "find_seqnumber"
                 }
          }
    }

why return this error for me ?? ::

Unknown setting 'aggregation_fields' for elasticsearch

in logstash log

Answer 1

here is the answer link :

the issue solved by elasticsearch filter plugin versions

https://discuss.elastic.co/t/how-can-i-use-aggregation-in-logstash-elasticsearch-filter-plugin/133805/5